diff --git a/pom.xml b/pom.xml
index 961be85..642caac 100644
--- a/pom.xml
+++ b/pom.xml
@@ -104,12 +104,12 @@
         <dependency>
             <groupId>com.github.TheBusyBiscuit</groupId>
             <artifactId>Slimefun4</artifactId>
-            <version>RC-21</version>
+            <version>RC-27</version>
             <scope>provided</scope>
             <exclusions>
                 <exclusion>
-                    <groupId>io.github.thebusybiscuit</groupId>
-                    <artifactId>cscorelib2</artifactId>
+                    <groupId>io.github.baked-libs</groupId>
+                    <artifactId>dough-api</artifactId>
                 </exclusion>
             </exclusions>
         </dependency>
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/HotbarPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/HotbarPet.java
index a2b050e..e175c95 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/HotbarPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/HotbarPet.java
@@ -7,11 +7,11 @@
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 
-import io.github.thebusybiscuit.slimefun4.implementation.SlimefunPlugin;
-import me.mrCookieSlime.Slimefun.Lists.RecipeType;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.Objects.SlimefunItem.SlimefunItem;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItem;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.recipes.RecipeType;
+import io.github.thebusybiscuit.slimefun4.implementation.Slimefun;
 
 public class HotbarPet extends SlimefunItem {
 
@@ -20,8 +20,8 @@ public class HotbarPet extends SlimefunItem {
 
     private final ItemStack food;
 
-    public HotbarPet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, RecipeType.ENHANCED_CRAFTING_TABLE, recipe);
+    public HotbarPet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, RecipeType.ENHANCED_CRAFTING_TABLE, recipe);
         this.food = food;
     }
 
@@ -42,7 +42,7 @@ public ItemStack getFavouriteFood() {
     public boolean checkAndConsumeFood(Player player) {
         if (!player.getInventory().containsAtLeast(getFavouriteFood(), 1)) {
             if (messageDelay.getOrDefault(player.getUniqueId(), 0L) <= System.currentTimeMillis()) {
-                SlimefunPlugin.getLocalization().sendMessage(player, "hotbarpets.neglected-pet", true, msg -> msg.replace("%pet%", getItemName()));
+                Slimefun.getLocalization().sendMessage(player, "hotbarpets.neglected-pet", true, msg -> msg.replace("%pet%", getItemName()));
                 messageDelay.put(player.getUniqueId(), System.currentTimeMillis() + MESSAGE_DELAY);
             }
 
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/HotbarPets.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/HotbarPets.java
index bab46b3..69d1cf2 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/HotbarPets.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/HotbarPets.java
@@ -20,17 +20,15 @@
 import io.github.thebusybiscuit.hotbarpets.listeners.SoulPieListener;
 import io.github.thebusybiscuit.hotbarpets.listeners.TNTListener;
 import io.github.thebusybiscuit.slimefun4.api.SlimefunAddon;
-import io.github.thebusybiscuit.slimefun4.implementation.SlimefunPlugin;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.cscorelib2.config.Config;
-import me.mrCookieSlime.Slimefun.cscorelib2.item.CustomItem;
-import me.mrCookieSlime.Slimefun.cscorelib2.skull.SkullItem;
-import me.mrCookieSlime.Slimefun.cscorelib2.updater.GitHubBuildsUpdater;
-import me.mrCookieSlime.Slimefun.cscorelib2.updater.Updater;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.implementation.Slimefun;
+import io.github.thebusybiscuit.slimefun4.libraries.dough.config.Config;
+import io.github.thebusybiscuit.slimefun4.libraries.dough.items.CustomItemStack;
+import io.github.thebusybiscuit.slimefun4.libraries.dough.updater.GitHubBuildsUpdater;
 
 public class HotbarPets extends JavaPlugin implements Listener, SlimefunAddon {
 
-    private Category category;
+    private ItemGroup itemGroup;
 
     @Override
     public void onEnable() {
@@ -39,16 +37,11 @@ public void onEnable() {
         // Setting up bStats
         new Metrics(this, 4859);
 
-        if (getDescription().getVersion().startsWith("DEV - ")) {
-            Updater updater = new GitHubBuildsUpdater(this, getFile(), "TheBusyBiscuit/HotbarPets/master");
-
-            // Only run the Updater if it has not been disabled
-            if (cfg.getBoolean("options.auto-update")) {
-                updater.start();
-            }
+        if (cfg.getBoolean("options.auto-update") && getDescription().getVersion().startsWith("DEV - ")) {
+            new GitHubBuildsUpdater(this, getFile(), "TheBusyBiscuit/HotbarPets/master").start();
         }
 
-        category = new Category(new NamespacedKey(this, "pets"), new CustomItem(PetTexture.CATEGORY.getAsItem(), "&dHotbar Pets", "", "&a> Click to open"));
+        itemGroup = new ItemGroup(new NamespacedKey(this, "pets"), new CustomItemStack(PetTexture.CATEGORY.getAsItem(), "&dHotbar Pets", "", "&a> Click to open"));
 
         // Add all the Pets via their Group class
         new FarmAnimals(this);
@@ -59,8 +52,8 @@ public void onEnable() {
         new UtilityPets(this);
         new SpecialPets(this);
 
-        SlimefunPlugin.getLocalization().setDefaultMessage("hotbarpets.neglected-pet", "&9Your %pet% &9would have helped you if you did not neglect it by not feeding it :(");
-        SlimefunPlugin.getLocalization().save();
+        Slimefun.getLocalization().setDefaultMessage("hotbarpets.neglected-pet", "&9Your %pet% &9would have helped you if you did not neglect it by not feeding it :(");
+        Slimefun.getLocalization().save();
 
         // Registering the Listeners
         new DamageListener(this);
@@ -75,8 +68,8 @@ public void onEnable() {
         getServer().getScheduler().scheduleSyncRepeatingTask(this, new HotbarPetsRunnable(), 0L, 2000L);
     }
 
-    public Category getCategory() {
-        return category;
+    public ItemGroup getItemGroup() {
+        return itemGroup;
     }
 
     @Override
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/HotbarPetsRunnable.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/HotbarPetsRunnable.java
index a4a6b1f..5db234e 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/HotbarPetsRunnable.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/HotbarPetsRunnable.java
@@ -7,7 +7,7 @@
 import org.bukkit.inventory.ItemStack;
 
 import io.github.thebusybiscuit.slimefun4.utils.SlimefunUtils;
-import me.mrCookieSlime.Slimefun.Objects.SlimefunItem.SlimefunItem;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItem;
 
 public class HotbarPetsRunnable implements Runnable {
 
@@ -17,10 +17,10 @@ public class HotbarPetsRunnable implements Runnable {
     private final HotbarPet goldenCow;
 
     protected HotbarPetsRunnable() {
-        chicken = (HotbarPet) SlimefunItem.getByID("HOTBAR_PET_CHICKEN");
-        mooshroom = (HotbarPet) SlimefunItem.getByID("HOTBAR_PET_MOOSHROOM");
-        fish = (HotbarPet) SlimefunItem.getByID("HOTBAR_PET_FISH");
-        goldenCow = (HotbarPet) SlimefunItem.getByID("HOTBAR_PET_GOLDEN_COW");
+        chicken = (HotbarPet) SlimefunItem.getById("HOTBAR_PET_CHICKEN");
+        mooshroom = (HotbarPet) SlimefunItem.getById("HOTBAR_PET_MOOSHROOM");
+        fish = (HotbarPet) SlimefunItem.getById("HOTBAR_PET_FISH");
+        goldenCow = (HotbarPet) SlimefunItem.getById("HOTBAR_PET_GOLDEN_COW");
     }
 
     @Override
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/PetTexture.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/PetTexture.java
index 259fed2..745771b 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/PetTexture.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/PetTexture.java
@@ -1,6 +1,7 @@
 package io.github.thebusybiscuit.hotbarpets;
 
-import me.mrCookieSlime.Slimefun.cscorelib2.skull.SkullItem;
+import io.github.thebusybiscuit.slimefun4.libraries.dough.skins.PlayerHead;
+import io.github.thebusybiscuit.slimefun4.libraries.dough.skins.PlayerSkin;
 import org.bukkit.inventory.ItemStack;
 
 import javax.annotation.Nonnull;
@@ -75,6 +76,6 @@ public String toString() {
 
     @Nonnull
     public ItemStack getAsItem() {
-        return SkullItem.fromHash(getHash());
+        return PlayerHead.getItemStack(PlayerSkin.fromHashCode(getHash()));
     }
 }
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/SimpleBasePet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/SimpleBasePet.java
index 769553b..bb2abdf 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/SimpleBasePet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/SimpleBasePet.java
@@ -4,13 +4,13 @@
 import org.bukkit.inventory.ItemStack;
 
 import io.github.thebusybiscuit.slimefun4.core.handlers.ItemUseHandler;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public abstract class SimpleBasePet extends HotbarPet {
 
-    public SimpleBasePet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, food, recipe);
+    public SimpleBasePet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, food, recipe);
     }
 
     public abstract void onUseItem(Player p);
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/BossMobs.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/BossMobs.java
index 010aac3..074584d 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/BossMobs.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/BossMobs.java
@@ -1,15 +1,15 @@
 package io.github.thebusybiscuit.hotbarpets.groups;
 
-import io.github.thebusybiscuit.hotbarpets.PetTexture;
 import org.bukkit.Material;
 import org.bukkit.inventory.ItemStack;
 
 import io.github.thebusybiscuit.hotbarpets.HotbarPet;
 import io.github.thebusybiscuit.hotbarpets.HotbarPets;
 import io.github.thebusybiscuit.hotbarpets.PetGroup;
+import io.github.thebusybiscuit.hotbarpets.PetTexture;
 import io.github.thebusybiscuit.hotbarpets.pets.EnderDragonPet;
 import io.github.thebusybiscuit.slimefun4.implementation.SlimefunItems;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public final class BossMobs implements PetGroup {
 
@@ -25,13 +25,13 @@ public String getName() {
     @Override
     public void load(HotbarPets plugin) {
         // @formatter:off
-        new EnderDragonPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_DRAGON", Material.DRAGON_HEAD, "&5Ender Dragon Pet", getName(), "&7Favourite Food: Eyes Of Ender", "", "&fRight-Click: &7Shoots Dragon Fireball & Gives Resistance"), new ItemStack(Material.ENDER_EYE), new ItemStack[]{
+        new EnderDragonPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_DRAGON", Material.DRAGON_HEAD, "&5Ender Dragon Pet", getName(), "&7Favourite Food: Eyes Of Ender", "", "&fRight-Click: &7Shoots Dragon Fireball & Gives Resistance"), new ItemStack(Material.ENDER_EYE), new ItemStack[]{
                 new ItemStack(Material.PRISMARINE_CRYSTALS), new ItemStack(Material.DRAGON_BREATH), new ItemStack(Material.PRISMARINE_CRYSTALS),
                 SlimefunItems.ENDER_LUMP_3, new ItemStack(Material.DRAGON_HEAD), SlimefunItems.ENDER_LUMP_3,
                 new ItemStack(Material.PRISMARINE_CRYSTALS), new ItemStack(Material.DRAGON_BREATH), new ItemStack(Material.PRISMARINE_CRYSTALS)
         }).register(plugin);
 
-        new HotbarPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_WITHER", PetTexture.WITHER_PET.getHash(), "&8Wither Pet", getName(), "&7Favourite Food: Soul Sand", "", "&fImmune to Wither Effect"), new ItemStack(Material.SOUL_SAND), new ItemStack[]{
+        new HotbarPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_WITHER", PetTexture.WITHER_PET.getHash(), "&8Wither Pet", getName(), "&7Favourite Food: Soul Sand", "", "&fImmune to Wither Effect"), new ItemStack(Material.SOUL_SAND), new ItemStack[]{
                 new ItemStack(Material.COAL), new ItemStack(Material.WITHER_SKELETON_SKULL), new ItemStack(Material.COAL),
                 new ItemStack(Material.SOUL_SAND), new ItemStack(Material.NETHER_STAR), new ItemStack(Material.SOUL_SAND),
                 new ItemStack(Material.SOUL_SAND), SlimefunItems.GOLD_24K, new ItemStack(Material.SOUL_SAND)
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/FarmAnimals.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/FarmAnimals.java
index 36d0787..b59b113 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/FarmAnimals.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/FarmAnimals.java
@@ -1,15 +1,15 @@
 package io.github.thebusybiscuit.hotbarpets.groups;
 
-import io.github.thebusybiscuit.hotbarpets.PetTexture;
 import org.bukkit.Material;
 import org.bukkit.inventory.ItemStack;
 
 import io.github.thebusybiscuit.hotbarpets.HotbarPet;
 import io.github.thebusybiscuit.hotbarpets.HotbarPets;
 import io.github.thebusybiscuit.hotbarpets.PetGroup;
+import io.github.thebusybiscuit.hotbarpets.PetTexture;
 import io.github.thebusybiscuit.hotbarpets.pets.CowPet;
 import io.github.thebusybiscuit.slimefun4.implementation.SlimefunItems;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public final class FarmAnimals implements PetGroup {
 
@@ -27,31 +27,31 @@ public void load(HotbarPets plugin) {
         // @formatter:off
         SlimefunItemStack cow = new SlimefunItemStack("HOTBAR_PET_COW", PetTexture.COW_PET.getHash(), "&6Cow Pet", getName(), "&7Favourite Food: Wheat", "", "&fRight-Click: &7Removes negative Potion Effects");
 
-        new HotbarPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_PIG", PetTexture.PIG_PET.getHash(), "&dPig Pet", getName(), "&7Favourite Food: Carrots", "", "&fBonus Saturation when eating", "&fAllows you to eat poisonous Food"), new ItemStack(Material.CARROT), new ItemStack[] {
+        new HotbarPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_PIG", PetTexture.PIG_PET.getHash(), "&dPig Pet", getName(), "&7Favourite Food: Carrots", "", "&fBonus Saturation when eating", "&fAllows you to eat poisonous Food"), new ItemStack(Material.CARROT), new ItemStack[] {
                 new ItemStack(Material.REDSTONE), new ItemStack(Material.CARROT), new ItemStack(Material.REDSTONE),
                 new ItemStack(Material.PORKCHOP), new ItemStack(Material.DIAMOND), new ItemStack(Material.PORKCHOP),
                 new ItemStack(Material.REDSTONE), SlimefunItems.GOLD_16K, new ItemStack(Material.REDSTONE)
         }).register(plugin);
 
-        new HotbarPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_CHICKEN", PetTexture.CHICKEN_PET.getHash(), "&fChicken Pet", getName(), "&7Favourite Food: Seeds", "", "&fGives you Eggs over time..."), new ItemStack(Material.WHEAT_SEEDS), new ItemStack[] {
+        new HotbarPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_CHICKEN", PetTexture.CHICKEN_PET.getHash(), "&fChicken Pet", getName(), "&7Favourite Food: Seeds", "", "&fGives you Eggs over time..."), new ItemStack(Material.WHEAT_SEEDS), new ItemStack[] {
                 new ItemStack(Material.REDSTONE), new ItemStack(Material.FEATHER), new ItemStack(Material.REDSTONE),
                 new ItemStack(Material.COOKED_CHICKEN), new ItemStack(Material.DIAMOND), new ItemStack(Material.COOKED_CHICKEN),
                 new ItemStack(Material.REDSTONE), SlimefunItems.GOLD_16K, new ItemStack(Material.REDSTONE)
         }).register(plugin);
 
-        new HotbarPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_MOOSHROOM", PetTexture.MOOSHROOM_PET.getHash(), "&dMooshroom Pet", getName(), "&7Favourite Food: Red Mushrooms", "", "&fGives you Mushroom Stew over time..."), new ItemStack(Material.RED_MUSHROOM), new ItemStack[] {
+        new HotbarPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_MOOSHROOM", PetTexture.MOOSHROOM_PET.getHash(), "&dMooshroom Pet", getName(), "&7Favourite Food: Red Mushrooms", "", "&fGives you Mushroom Stew over time..."), new ItemStack(Material.RED_MUSHROOM), new ItemStack[] {
                 new ItemStack(Material.LAPIS_LAZULI), new ItemStack(Material.COOKED_BEEF), new ItemStack(Material.LAPIS_LAZULI),
                 new ItemStack(Material.RED_MUSHROOM), new ItemStack(Material.DIAMOND), new ItemStack(Material.BROWN_MUSHROOM),
                 new ItemStack(Material.LAPIS_LAZULI), SlimefunItems.GOLD_16K, new ItemStack(Material.LAPIS_LAZULI)
         }).register(plugin);
 
-        new CowPet(plugin.getCategory(), cow, new ItemStack(Material.WHEAT), new ItemStack[] {
+        new CowPet(plugin.getItemGroup(), cow, new ItemStack(Material.WHEAT), new ItemStack[] {
                 new ItemStack(Material.COAL), new ItemStack(Material.WHEAT), new ItemStack(Material.COAL),
                 new ItemStack(Material.COOKED_BEEF), new ItemStack(Material.DIAMOND), new ItemStack(Material.COOKED_BEEF),
                 new ItemStack(Material.COAL), SlimefunItems.GOLD_16K, new ItemStack(Material.COAL)
         }).register(plugin);
 
-        new HotbarPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_GOLDEN_COW", PetTexture.GOLDEN_COW_PET.getHash(), "&6Golden Cow Pet", getName(), "&7Favourite Food: Golden Carrots", "", "&fGives you Golden Ingots over time...", "&f(That means you have a net gain of 1 golden nugget)"), new ItemStack(Material.GOLDEN_CARROT), new ItemStack[] {
+        new HotbarPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_GOLDEN_COW", PetTexture.GOLDEN_COW_PET.getHash(), "&6Golden Cow Pet", getName(), "&7Favourite Food: Golden Carrots", "", "&fGives you Golden Ingots over time...", "&f(That means you have a net gain of 1 golden nugget)"), new ItemStack(Material.GOLDEN_CARROT), new ItemStack[] {
                 new ItemStack(Material.GOLDEN_CARROT), new ItemStack(Material.GOLD_NUGGET), new ItemStack(Material.GOLDEN_CARROT),
                 new ItemStack(Material.GOLD_NUGGET), cow, new ItemStack(Material.GOLD_NUGGET),
                 new ItemStack(Material.GOLDEN_CARROT), new ItemStack(Material.GOLD_NUGGET), new ItemStack(Material.GOLDEN_CARROT)
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/HostileMobs.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/HostileMobs.java
index 2a73c12..1b71fc2 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/HostileMobs.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/HostileMobs.java
@@ -14,7 +14,7 @@
 import io.github.thebusybiscuit.hotbarpets.pets.ShulkerPet;
 import io.github.thebusybiscuit.hotbarpets.pets.SpiderPet;
 import io.github.thebusybiscuit.slimefun4.implementation.SlimefunItems;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public final class HostileMobs implements PetGroup {
 
@@ -30,13 +30,13 @@ public String getName() {
     @Override
     public void load(HotbarPets plugin) {
         // @formatter:off
-        new SpiderPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_SPIDER", PetTexture.SPIDER_PET.getHash(), "&8Spider Pet", getName(), "&7Favourite Food: Rotten Flesh", "", "&fRight-Click: &7Gives you Jump Boost"), new ItemStack(Material.ROTTEN_FLESH), new ItemStack[]{
+        new SpiderPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_SPIDER", PetTexture.SPIDER_PET.getHash(), "&8Spider Pet", getName(), "&7Favourite Food: Rotten Flesh", "", "&fRight-Click: &7Gives you Jump Boost"), new ItemStack(Material.ROTTEN_FLESH), new ItemStack[]{
                 new ItemStack(Material.COAL), new ItemStack(Material.STRING), new ItemStack(Material.COAL),
                 new ItemStack(Material.SPIDER_EYE), new ItemStack(Material.EMERALD), new ItemStack(Material.SPIDER_EYE),
                 new ItemStack(Material.STRING), SlimefunItems.GOLD_16K, new ItemStack(Material.STRING)
         }).register(plugin);
 
-        new GhastPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_GHAST", PetTexture.GHAST_PET.getHash(), "&fGhast Pet", getName(), "&7Favourite Food: Fire Charge", "", "&fRight-Click: &7Launches Fireballs"), new ItemStack(Material.FIRE_CHARGE), new ItemStack[]{
+        new GhastPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_GHAST", PetTexture.GHAST_PET.getHash(), "&fGhast Pet", getName(), "&7Favourite Food: Fire Charge", "", "&fRight-Click: &7Launches Fireballs"), new ItemStack(Material.FIRE_CHARGE), new ItemStack[]{
                 new ItemStack(Material.GHAST_TEAR), new ItemStack(Material.DIAMOND), new ItemStack(Material.GHAST_TEAR),
                 new ItemStack(Material.QUARTZ_BLOCK), new ItemStack(Material.BLAZE_POWDER), new ItemStack(Material.QUARTZ_BLOCK),
                 SlimefunItems.GOLD_24K, new ItemStack(Material.TNT), SlimefunItems.GOLD_24K
@@ -48,13 +48,13 @@ SlimefunItems.GOLD_24K, new ItemStack(Material.TNT), SlimefunItems.GOLD_24K
                 new ItemStack(Material.FEATHER), new ItemStack(Material.SHULKER_SHELL), new ItemStack(Material.FEATHER)
         }).register(plugin);
 
-        new PhantomPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_PHANTOM", PetTexture.PHANTOM_PET.getHash(), "&7Phantom Pet", getName(), "&7Favourite Food: Beetroot", "", "&fRight-Click: &7Gives Slow Falling"), new ItemStack(Material.BEETROOT), new ItemStack[]{
+        new PhantomPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_PHANTOM", PetTexture.PHANTOM_PET.getHash(), "&7Phantom Pet", getName(), "&7Favourite Food: Beetroot", "", "&fRight-Click: &7Gives Slow Falling"), new ItemStack(Material.BEETROOT), new ItemStack[]{
                 new ItemStack(Material.PHANTOM_MEMBRANE), new ItemStack(Material.RABBIT_FOOT), new ItemStack(Material.PHANTOM_MEMBRANE),
                 new ItemStack(Material.DIAMOND), SlimefunItems.GOLD_6K, new ItemStack(Material.DIAMOND),
                 new ItemStack(Material.PHANTOM_MEMBRANE), new ItemStack(Material.RABBIT_FOOT), new ItemStack(Material.PHANTOM_MEMBRANE)
         }).register(plugin);
 
-        new EndermanPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_ENDER_MAN", PetTexture.ENDERMAN_PET.getHash(), "&8Enderman Pet", getName(), "&7Favourite Food: End Stone", "", "&fRight-Click: &7Shoots an Ender Pearl"), new ItemStack(Material.END_STONE), new ItemStack[]{
+        new EndermanPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_ENDER_MAN", PetTexture.ENDERMAN_PET.getHash(), "&8Enderman Pet", getName(), "&7Favourite Food: End Stone", "", "&fRight-Click: &7Shoots an Ender Pearl"), new ItemStack(Material.END_STONE), new ItemStack[]{
                 new ItemStack(Material.OBSIDIAN), new ItemStack(Material.ENDER_PEARL), new ItemStack(Material.OBSIDIAN),
                 new ItemStack(Material.ENDER_EYE), new ItemStack(Material.EMERALD), new ItemStack(Material.ENDER_EYE),
                 new ItemStack(Material.ENDER_PEARL), SlimefunItems.GOLD_16K, new ItemStack(Material.ENDER_PEARL)
@@ -66,19 +66,19 @@ SlimefunItems.GOLD_24K, new ItemStack(Material.TNT), SlimefunItems.GOLD_24K
                 new ItemStack(Material.DIAMOND), SlimefunItems.GOLD_20K, new ItemStack(Material.DIAMOND)
         }).register(plugin);
 
-        new HotbarPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_MAGMA_CUBE", PetTexture.MAGMA_CUBE_PET.getHash(), "&4Magma Cube Pet", getName(), "&7Favourite Food: Nether Quartz", "", "&fImmune to Lava", "&fQuite hungry"), new ItemStack(Material.QUARTZ), new ItemStack[]{
+        new HotbarPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_MAGMA_CUBE", PetTexture.MAGMA_CUBE_PET.getHash(), "&4Magma Cube Pet", getName(), "&7Favourite Food: Nether Quartz", "", "&fImmune to Lava", "&fQuite hungry"), new ItemStack(Material.QUARTZ), new ItemStack[]{
                 new ItemStack(Material.REDSTONE), new ItemStack(Material.MAGMA_CREAM), new ItemStack(Material.REDSTONE),
                 new ItemStack(Material.BLAZE_POWDER), new ItemStack(Material.EMERALD), new ItemStack(Material.BLAZE_POWDER),
                 new ItemStack(Material.NETHERRACK), SlimefunItems.GOLD_20K, new ItemStack(Material.NETHERRACK)
         }).register(plugin);
 
-        new HotbarPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_BLAZE", PetTexture.BLAZE_PET.getHash(), "&6Blaze Pet", getName(), "&7Favourite Food: Nether Quartz", "", "&fImmune to Fire"), new ItemStack(Material.QUARTZ), new ItemStack[]{
+        new HotbarPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_BLAZE", PetTexture.BLAZE_PET.getHash(), "&6Blaze Pet", getName(), "&7Favourite Food: Nether Quartz", "", "&fImmune to Fire"), new ItemStack(Material.QUARTZ), new ItemStack[]{
                 new ItemStack(Material.GLOWSTONE_DUST), new ItemStack(Material.BLAZE_ROD), new ItemStack(Material.GLOWSTONE_DUST),
                 new ItemStack(Material.BLAZE_POWDER), new ItemStack(Material.EMERALD), new ItemStack(Material.BLAZE_POWDER),
                 SlimefunItems.GOLD_20K, SlimefunItems.GOLD_20K, SlimefunItems.GOLD_20K
         }).register(plugin);
 
-        new HotbarPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_ZOMBIE", Material.ZOMBIE_HEAD, "&2Zombie Pet", getName(), "", "&fAllows you to eat Rotten Flesh", "&fwithout getting Hunger"), new ItemStack(Material.ROTTEN_FLESH), new ItemStack[] {
+        new HotbarPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_ZOMBIE", Material.ZOMBIE_HEAD, "&2Zombie Pet", getName(), "", "&fAllows you to eat Rotten Flesh", "&fwithout getting Hunger"), new ItemStack(Material.ROTTEN_FLESH), new ItemStack[] {
                 new ItemStack(Material.DIAMOND), new ItemStack(Material.ZOMBIE_HEAD), new ItemStack(Material.DIAMOND),
                 new ItemStack(Material.MOSSY_COBBLESTONE), new ItemStack(Material.EMERALD), new ItemStack(Material.MOSSY_COBBLESTONE),
                 new ItemStack(Material.ROTTEN_FLESH), SlimefunItems.NECROTIC_SKULL, new ItemStack(Material.ROTTEN_FLESH)
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/PassiveMobs.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/PassiveMobs.java
index 1aa2622..7a97ec3 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/PassiveMobs.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/PassiveMobs.java
@@ -9,7 +9,7 @@
 import io.github.thebusybiscuit.hotbarpets.PetGroup;
 import io.github.thebusybiscuit.hotbarpets.pets.IronGolemPet;
 import io.github.thebusybiscuit.slimefun4.implementation.SlimefunItems;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public final class PassiveMobs implements PetGroup {
 
@@ -25,13 +25,13 @@ public String getName() {
     @Override
     public void load(HotbarPets plugin) {
         // @formatter:off
-        new IronGolemPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_IRON_GOLEM", PetTexture.IRON_GOLEM_PET.getHash(), "&7Iron Golem Pet", getName(), "&7Favourite Food: Iron Ingots", "", "&fRight-Click: &7Gives you Resistance"), new ItemStack(Material.IRON_INGOT), new ItemStack[]{
+        new IronGolemPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_IRON_GOLEM", PetTexture.IRON_GOLEM_PET.getHash(), "&7Iron Golem Pet", getName(), "&7Favourite Food: Iron Ingots", "", "&fRight-Click: &7Gives you Resistance"), new ItemStack(Material.IRON_INGOT), new ItemStack[]{
                 new ItemStack(Material.IRON_BLOCK), new ItemStack(Material.PUMPKIN), new ItemStack(Material.IRON_BLOCK),
                 new ItemStack(Material.IRON_INGOT), new ItemStack(Material.EMERALD), new ItemStack(Material.IRON_INGOT),
                 new ItemStack(Material.IRON_INGOT), SlimefunItems.GOLD_16K, new ItemStack(Material.IRON_INGOT)
         }).register(plugin);
 
-        new HotbarPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_SLIME", PetTexture.SLIME_PET.getHash(), "&aSlime Pet", getName(), "&7Favourite Food: Glowstone Dust", "", "&fImmune to Fall Damage"), new ItemStack(Material.GLOWSTONE_DUST), new ItemStack[]{
+        new HotbarPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_SLIME", PetTexture.SLIME_PET.getHash(), "&aSlime Pet", getName(), "&7Favourite Food: Glowstone Dust", "", "&fImmune to Fall Damage"), new ItemStack(Material.GLOWSTONE_DUST), new ItemStack[]{
                 new ItemStack(Material.SLIME_BALL), new ItemStack(Material.DIAMOND), new ItemStack(Material.SLIME_BALL),
                 new ItemStack(Material.SLIME_BALL), new ItemStack(Material.EMERALD), new ItemStack(Material.SLIME_BALL),
                 SlimefunItems.GOLD_20K, SlimefunItems.GOLD_20K, SlimefunItems.GOLD_20K
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/PeacefulAnimals.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/PeacefulAnimals.java
index 8f1c03b..ca8a828 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/PeacefulAnimals.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/PeacefulAnimals.java
@@ -11,7 +11,7 @@
 import io.github.thebusybiscuit.hotbarpets.pets.RabbitPet;
 import io.github.thebusybiscuit.hotbarpets.pets.SquidPet;
 import io.github.thebusybiscuit.slimefun4.implementation.SlimefunItems;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public final class PeacefulAnimals implements PetGroup {
 
@@ -27,31 +27,31 @@ public String getName() {
     @Override
     public void load(HotbarPets plugin) {
         // @formatter:off
-        new HotbarPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_FISH", PetTexture.FISH_PET.getHash(), "&3Fish Pet", getName(), "&7Favourite Food: Seeds", "", "&fGives you Fish over time..."), new ItemStack(Material.WHEAT_SEEDS), new ItemStack[] {
+        new HotbarPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_FISH", PetTexture.FISH_PET.getHash(), "&3Fish Pet", getName(), "&7Favourite Food: Seeds", "", "&fGives you Fish over time..."), new ItemStack(Material.WHEAT_SEEDS), new ItemStack[] {
                 new ItemStack(Material.IRON_INGOT), new ItemStack(Material.COD), new ItemStack(Material.IRON_INGOT),
                 new ItemStack(Material.COD), new ItemStack(Material.DIAMOND), new ItemStack(Material.COD),
                 new ItemStack(Material.WATER_BUCKET), SlimefunItems.GOLD_18K, new ItemStack(Material.WATER_BUCKET)
         }).register(plugin);
 
-        new SquidPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_SQUID", PetTexture.SQUID_PET.getHash(), "&bSquid Pet", getName(), "&7Favourite Food: Raw Cod", "", "&fRight-Click: &7Gives you Water Breathing"), new ItemStack(Material.COD), new ItemStack[] {
+        new SquidPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_SQUID", PetTexture.SQUID_PET.getHash(), "&bSquid Pet", getName(), "&7Favourite Food: Raw Cod", "", "&fRight-Click: &7Gives you Water Breathing"), new ItemStack(Material.COD), new ItemStack[] {
                 new ItemStack(Material.COAL), new ItemStack(Material.COD), new ItemStack(Material.COAL),
                 new ItemStack(Material.WATER_BUCKET), new ItemStack(Material.DIAMOND), new ItemStack(Material.WATER_BUCKET),
                 new ItemStack(Material.COD), SlimefunItems.GOLD_16K, new ItemStack(Material.COD)
         }).register(plugin);
 
-        new RabbitPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_RABBIT", PetTexture.RABBIT_PET.getHash(), "&eRabbit Pet", getName(), "&7Favourite Food: Carrots", "", "&fRight-Click: &7Gives you 30 seconds of Luck"), new ItemStack(Material.CARROT), new ItemStack[] {
+        new RabbitPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_RABBIT", PetTexture.RABBIT_PET.getHash(), "&eRabbit Pet", getName(), "&7Favourite Food: Carrots", "", "&fRight-Click: &7Gives you 30 seconds of Luck"), new ItemStack(Material.CARROT), new ItemStack[] {
                 new ItemStack(Material.GOLDEN_CARROT), new ItemStack(Material.RABBIT_HIDE), new ItemStack(Material.GOLDEN_CARROT),
                 new ItemStack(Material.RABBIT_HIDE), new ItemStack(Material.DIAMOND), new ItemStack(Material.RABBIT_HIDE),
                 new ItemStack(Material.GOLDEN_CARROT), new ItemStack(Material.RABBIT_FOOT), new ItemStack(Material.GOLDEN_CARROT)
         }).register(plugin);
 
-        new DolphinPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_DOLPHIN", PetTexture.DOLPHIN_PET.getHash(), "&bDolphin Pet", getName(), "&7Favourite Food: Ink Sacks", "", "&fRight-Click: &7Dolphin's Grace"), new ItemStack(Material.INK_SAC), new ItemStack[] {
+        new DolphinPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_DOLPHIN", PetTexture.DOLPHIN_PET.getHash(), "&bDolphin Pet", getName(), "&7Favourite Food: Ink Sacks", "", "&fRight-Click: &7Dolphin's Grace"), new ItemStack(Material.INK_SAC), new ItemStack[] {
                 new ItemStack(Material.LAPIS_LAZULI), new ItemStack(Material.COD), new ItemStack(Material.LAPIS_LAZULI),
                 new ItemStack(Material.SALMON), new ItemStack(Material.EMERALD), new ItemStack(Material.SALMON),
                 new ItemStack(Material.LAPIS_LAZULI), new ItemStack(Material.COD), new ItemStack(Material.LAPIS_LAZULI)
         }).register(plugin);
 
-        new HotbarPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_PANDA", PetTexture.PANDA_PET.getHash(), "&8Panda &fPet", getName(),"&7Favorite Food: Bamboo", "", "&fThis sleepy Panda protects you from Insomnia", "&fPhantoms will no longer chase you at night"), new ItemStack(Material.BAMBOO), new ItemStack[] {
+        new HotbarPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_PANDA", PetTexture.PANDA_PET.getHash(), "&8Panda &fPet", getName(),"&7Favorite Food: Bamboo", "", "&fThis sleepy Panda protects you from Insomnia", "&fPhantoms will no longer chase you at night"), new ItemStack(Material.BAMBOO), new ItemStack[] {
                 new ItemStack(Material.BAMBOO), new ItemStack(Material.DIAMOND), new ItemStack(Material.BAMBOO),
                 new ItemStack(Material.DIAMOND), new ItemStack(Material.EMERALD), new ItemStack(Material.DIAMOND),
                 new ItemStack(Material.ACACIA_LEAVES), new ItemStack(Material.BAMBOO), new ItemStack(Material.ACACIA_LEAVES)
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/SpecialPets.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/SpecialPets.java
index 2eacbbf..aa8dd3c 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/SpecialPets.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/SpecialPets.java
@@ -11,7 +11,7 @@
 import io.github.thebusybiscuit.hotbarpets.pets.special.PatriotPet;
 import io.github.thebusybiscuit.hotbarpets.pets.special.PurpliciousCowPet;
 import io.github.thebusybiscuit.slimefun4.implementation.SlimefunItems;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public final class SpecialPets implements PetGroup {
 
@@ -27,31 +27,31 @@ public String getName() {
     @Override
     public void load(HotbarPets plugin) {
         // @formatter:off
-        new PurpliciousCowPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_PURPLICIOUS_COW", PetTexture.PURPLICIOUS_COW_PET.getHash(), "&5Purplicious Cow Pet", getName(), "&7Favourite Food: Golden Apples", "", "&fRight-Click: &7Gives you Health Regeneration"), new ItemStack(Material.GOLDEN_APPLE), new ItemStack[] {
+        new PurpliciousCowPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_PURPLICIOUS_COW", PetTexture.PURPLICIOUS_COW_PET.getHash(), "&5Purplicious Cow Pet", getName(), "&7Favourite Food: Golden Apples", "", "&fRight-Click: &7Gives you Health Regeneration"), new ItemStack(Material.GOLDEN_APPLE), new ItemStack[] {
                 new ItemStack(Material.COOKED_BEEF), new ItemStack(Material.DIAMOND), new ItemStack(Material.COOKED_BEEF),
                 new ItemStack(Material.DIAMOND), new ItemStack(Material.EMERALD), new ItemStack(Material.DIAMOND),
                 SlimefunItems.GOLD_20K, SlimefunItems.GOLD_20K, SlimefunItems.GOLD_20K
         }).register(plugin);
 
-        new CookieSlimePet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_MRCOOKIESLIME", PetTexture.MR_COOKIE_SLIME_PET.getHash(), "&amrCookieSlime Pet", getName(), "&7Favourite Food: Cookies", "", "&fImmune to Fall Damage", "&fRight-Click: &7Gives you Health Regeneration"), new ItemStack(Material.COOKIE), new ItemStack[] {
+        new CookieSlimePet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_MRCOOKIESLIME", PetTexture.MR_COOKIE_SLIME_PET.getHash(), "&amrCookieSlime Pet", getName(), "&7Favourite Food: Cookies", "", "&fImmune to Fall Damage", "&fRight-Click: &7Gives you Health Regeneration"), new ItemStack(Material.COOKIE), new ItemStack[] {
                 new ItemStack(Material.COOKIE), new ItemStack(Material.DIAMOND), new ItemStack(Material.COOKIE),
                 new ItemStack(Material.DIAMOND), new ItemStack(Material.EMERALD), new ItemStack(Material.DIAMOND),
                 SlimefunItems.GOLD_20K, SlimefunItems.GOLD_20K, SlimefunItems.GOLD_20K
         }).register(plugin);
 
-        new PatriotPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_PATRIOT", PetTexture.PATRIOT_PET.getHash(), "&5Patriot Pet", getName(), "&7Favourite Food: Nether Wart", "", "&fGives Resistance, Regeneration, Strength, ", "&fand Saturation"), new ItemStack(Material.NETHER_WART), new ItemStack[] {
+        new PatriotPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_PATRIOT", PetTexture.PATRIOT_PET.getHash(), "&5Patriot Pet", getName(), "&7Favourite Food: Nether Wart", "", "&fGives Resistance, Regeneration, Strength, ", "&fand Saturation"), new ItemStack(Material.NETHER_WART), new ItemStack[] {
                 new ItemStack(Material.REDSTONE), SlimefunItems.MAGIC_LUMP_1, new ItemStack(Material.REDSTONE),
                 SlimefunItems.MAGIC_LUMP_1, SlimefunItems.RAW_CARBONADO, SlimefunItems.MAGIC_LUMP_1,
                 SlimefunItems.GOLD_4K, new ItemStack(Material.REDSTONE), SlimefunItems.GOLD_4K
         }).register(plugin);
 
-        new HotbarPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_WALSHRUS", PetTexture.WALSHRUS_PET.getHash(), "&bWalshrus Pet", getName(), "&7Favourite Food: Raw Cod", "", "&fCannot drown"), new ItemStack(Material.COD), new ItemStack[] {
+        new HotbarPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_WALSHRUS", PetTexture.WALSHRUS_PET.getHash(), "&bWalshrus Pet", getName(), "&7Favourite Food: Raw Cod", "", "&fCannot drown"), new ItemStack(Material.COD), new ItemStack[] {
                 new ItemStack(Material.COD), new ItemStack(Material.DIAMOND), new ItemStack(Material.COD),
                 new ItemStack(Material.DIAMOND), new ItemStack(Material.EMERALD), new ItemStack(Material.DIAMOND),
                 SlimefunItems.GOLD_20K, SlimefunItems.GOLD_20K, SlimefunItems.GOLD_20K
         }).register(plugin);
 
-        new HotbarPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_EYAMAZ", PetTexture.EYAMAZ_PET.getHash(), "&4Eyamaz Pet", getName(), "&7Favourite Food: Souls", "", "&fBeware! Eyamaz makes a Soul Pie", "&fout of the Souls of everything you kill"), new ItemStack(Material.SOUL_SAND), new ItemStack[] {
+        new HotbarPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_EYAMAZ", PetTexture.EYAMAZ_PET.getHash(), "&4Eyamaz Pet", getName(), "&7Favourite Food: Souls", "", "&fBeware! Eyamaz makes a Soul Pie", "&fout of the Souls of everything you kill"), new ItemStack(Material.SOUL_SAND), new ItemStack[] {
                 new ItemStack(Material.SOUL_SAND), new ItemStack(Material.DIAMOND), new ItemStack(Material.SOUL_SAND),
                 new ItemStack(Material.DIAMOND), new ItemStack(Material.EMERALD), new ItemStack(Material.DIAMOND),
                 SlimefunItems.GOLD_20K, SlimefunItems.GOLD_20K, SlimefunItems.GOLD_20K
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/UtilityPets.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/UtilityPets.java
index 8016bbe..b2e2804 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/UtilityPets.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/groups/UtilityPets.java
@@ -10,7 +10,7 @@
 import io.github.thebusybiscuit.hotbarpets.pets.EnderChestPet;
 import io.github.thebusybiscuit.hotbarpets.pets.WorkbenchPet;
 import io.github.thebusybiscuit.slimefun4.implementation.SlimefunItems;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public final class UtilityPets implements PetGroup {
 
@@ -26,19 +26,19 @@ public String getName() {
     @Override
     public void load(HotbarPets plugin) {
         // @formatter:off
-        new BedPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_BED", Material.RED_BED, "&fBed Pet", getName(), "&7Favourite Food: Wool", "", "&fRight-Click: &7Sleep"), new ItemStack(Material.WHITE_WOOL), new ItemStack[] {
+        new BedPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_BED", Material.RED_BED, "&fBed Pet", getName(), "&7Favourite Food: Wool", "", "&fRight-Click: &7Sleep"), new ItemStack(Material.WHITE_WOOL), new ItemStack[] {
                 new ItemStack(Material.IRON_INGOT), new ItemStack(Material.RED_BED), new ItemStack(Material.IRON_INGOT),
                 new ItemStack(Material.WHITE_WOOL), new ItemStack(Material.DIAMOND), new ItemStack(Material.WHITE_WOOL),
                 new ItemStack(Material.OAK_PLANKS), SlimefunItems.GOLD_14K, new ItemStack(Material.OAK_PLANKS)
         }).register(plugin);
 
-        new EnderChestPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_ENDER_CHEST", PetTexture.ENDER_CHEST_PET.getHash(), "&5Ender Chest Pet", getName(), "&7Favourite Food: Ender Pearls", "", "&fRight-Click: &7Open"), new ItemStack(Material.ENDER_PEARL), new ItemStack[] {
+        new EnderChestPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_ENDER_CHEST", PetTexture.ENDER_CHEST_PET.getHash(), "&5Ender Chest Pet", getName(), "&7Favourite Food: Ender Pearls", "", "&fRight-Click: &7Open"), new ItemStack(Material.ENDER_PEARL), new ItemStack[] {
                 new ItemStack(Material.OBSIDIAN), new ItemStack(Material.ENDER_EYE), new ItemStack(Material.OBSIDIAN),
                 new ItemStack(Material.ENDER_PEARL), new ItemStack(Material.EMERALD), new ItemStack(Material.ENDER_PEARL),
                 new ItemStack(Material.OBSIDIAN), SlimefunItems.GOLD_16K, new ItemStack(Material.OBSIDIAN)
         }).register(plugin);
 
-        new WorkbenchPet(plugin.getCategory(), new SlimefunItemStack("HOTBAR_PET_WORKBENCH", PetTexture.WORKBENCH_PET.getHash(), "&6Workbench Pet", getName(), "&7Favourite Food: Wooden Planks", "", "&fRight-Click: &7Open"), new ItemStack(Material.OAK_PLANKS), new ItemStack[] {
+        new WorkbenchPet(plugin.getItemGroup(), new SlimefunItemStack("HOTBAR_PET_WORKBENCH", PetTexture.WORKBENCH_PET.getHash(), "&6Workbench Pet", getName(), "&7Favourite Food: Wooden Planks", "", "&fRight-Click: &7Open"), new ItemStack(Material.OAK_PLANKS), new ItemStack[] {
                 new ItemStack(Material.OAK_PLANKS), new ItemStack(Material.CRAFTING_TABLE), new ItemStack(Material.OAK_PLANKS),
                 new ItemStack(Material.OAK_PLANKS), new ItemStack(Material.IRON_INGOT), new ItemStack(Material.OAK_PLANKS),
                 new ItemStack(Material.OAK_PLANKS), SlimefunItems.GOLD_16K, new ItemStack(Material.OAK_PLANKS)
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/DamageListener.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/DamageListener.java
index 5f9e7bc..02420e6 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/DamageListener.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/DamageListener.java
@@ -14,7 +14,7 @@
 import io.github.thebusybiscuit.hotbarpets.HotbarPet;
 import io.github.thebusybiscuit.hotbarpets.HotbarPets;
 import io.github.thebusybiscuit.slimefun4.utils.SlimefunUtils;
-import me.mrCookieSlime.Slimefun.Objects.SlimefunItem.SlimefunItem;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItem;
 
 public class DamageListener implements Listener {
 
@@ -27,13 +27,13 @@ public class DamageListener implements Listener {
     private final HotbarPet blaze;
 
     public DamageListener(HotbarPets plugin) {
-        creeper = (HotbarPet) SlimefunItem.getByID("HOTBAR_PET_CREEPER");
-        magmacube = (HotbarPet) SlimefunItem.getByID("HOTBAR_PET_MAGMA_CUBE");
-        slime = (HotbarPet) SlimefunItem.getByID("HOTBAR_PET_SLIME");
-        mrCookieSlime = (HotbarPet) SlimefunItem.getByID("HOTBAR_PET_MRCOOKIESLIME");
-        wither = (HotbarPet) SlimefunItem.getByID("HOTBAR_PET_WITHER");
-        walshrus = (HotbarPet) SlimefunItem.getByID("HOTBAR_PET_WALSHRUS");
-        blaze = (HotbarPet) SlimefunItem.getByID("HOTBAR_PET_BLAZE");
+        creeper = (HotbarPet) SlimefunItem.getById("HOTBAR_PET_CREEPER");
+        magmacube = (HotbarPet) SlimefunItem.getById("HOTBAR_PET_MAGMA_CUBE");
+        slime = (HotbarPet) SlimefunItem.getById("HOTBAR_PET_SLIME");
+        mrCookieSlime = (HotbarPet) SlimefunItem.getById("HOTBAR_PET_MRCOOKIESLIME");
+        wither = (HotbarPet) SlimefunItem.getById("HOTBAR_PET_WITHER");
+        walshrus = (HotbarPet) SlimefunItem.getById("HOTBAR_PET_WALSHRUS");
+        blaze = (HotbarPet) SlimefunItem.getById("HOTBAR_PET_BLAZE");
 
         plugin.getServer().getPluginManager().registerEvents(this, plugin);
     }
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/FoodListener.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/FoodListener.java
index 76337fe..1a595ca 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/FoodListener.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/FoodListener.java
@@ -13,7 +13,7 @@
 import io.github.thebusybiscuit.hotbarpets.HotbarPet;
 import io.github.thebusybiscuit.hotbarpets.HotbarPets;
 import io.github.thebusybiscuit.slimefun4.utils.SlimefunUtils;
-import me.mrCookieSlime.Slimefun.Objects.SlimefunItem.SlimefunItem;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItem;
 
 public class FoodListener implements Listener {
 
@@ -24,8 +24,8 @@ public class FoodListener implements Listener {
     public FoodListener(HotbarPets plugin) {
         this.plugin = plugin;
 
-        pig = (HotbarPet) SlimefunItem.getByID("HOTBAR_PET_PIG");
-        zombie = (HotbarPet) SlimefunItem.getByID("HOTBAR_PET_ZOMBIE");
+        pig = (HotbarPet) SlimefunItem.getById("HOTBAR_PET_PIG");
+        zombie = (HotbarPet) SlimefunItem.getById("HOTBAR_PET_ZOMBIE");
     }
 
     @EventHandler
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/GeneralListener.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/GeneralListener.java
index 058a34d..6942fe8 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/GeneralListener.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/GeneralListener.java
@@ -10,7 +10,7 @@
 
 import io.github.thebusybiscuit.hotbarpets.HotbarPet;
 import io.github.thebusybiscuit.hotbarpets.HotbarPets;
-import me.mrCookieSlime.Slimefun.Objects.SlimefunItem.SlimefunItem;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItem;
 
 public class GeneralListener implements Listener {
 
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/PhantomListener.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/PhantomListener.java
index eadeeb8..0fbc2e4 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/PhantomListener.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/PhantomListener.java
@@ -9,14 +9,14 @@
 
 import io.github.thebusybiscuit.hotbarpets.HotbarPet;
 import io.github.thebusybiscuit.hotbarpets.HotbarPets;
-import me.mrCookieSlime.Slimefun.Objects.SlimefunItem.SlimefunItem;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItem;
 
 public class PhantomListener implements Listener {
 
     private final HotbarPet panda;
 
     public PhantomListener(HotbarPets plugin) {
-        panda = (HotbarPet) SlimefunItem.getByID("HOTBAR_PET_PANDA");
+        panda = (HotbarPet) SlimefunItem.getById("HOTBAR_PET_PANDA");
 
         plugin.getServer().getPluginManager().registerEvents(this, plugin);
     }
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/SoulPieListener.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/SoulPieListener.java
index a7ffba7..0ecc433 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/SoulPieListener.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/SoulPieListener.java
@@ -10,15 +10,15 @@
 import io.github.thebusybiscuit.hotbarpets.HotbarPet;
 import io.github.thebusybiscuit.hotbarpets.HotbarPets;
 import io.github.thebusybiscuit.slimefun4.utils.SlimefunUtils;
-import me.mrCookieSlime.Slimefun.Objects.SlimefunItem.SlimefunItem;
-import me.mrCookieSlime.Slimefun.cscorelib2.item.CustomItem;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItem;
+import io.github.thebusybiscuit.slimefun4.libraries.dough.items.CustomItemStack;
 
 public class SoulPieListener implements Listener {
 
     private final HotbarPet eyamaz;
 
     public SoulPieListener(HotbarPets plugin) {
-        eyamaz = (HotbarPet) SlimefunItem.getByID("HOTBAR_PET_EYAMAZ");
+        eyamaz = (HotbarPet) SlimefunItem.getById("HOTBAR_PET_EYAMAZ");
 
         plugin.getServer().getPluginManager().registerEvents(this, plugin);
     }
@@ -32,7 +32,7 @@ public void onSoulHarvest(EntityDeathEvent e) {
                 ItemStack item = p.getInventory().getItem(i);
 
                 if (eyamaz != null && SlimefunUtils.isItemSimilar(item, eyamaz.getItem(), true)) {
-                    e.getEntity().getLocation().getWorld().dropItemNaturally(e.getEntity().getLocation(), new CustomItem(new ItemStack(Material.PUMPKIN_PIE), "&bSoul Pie"));
+                    e.getEntity().getLocation().getWorld().dropItemNaturally(e.getEntity().getLocation(), new CustomItemStack(new ItemStack(Material.PUMPKIN_PIE), "&bSoul Pie"));
                 }
             }
         }
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/TNTListener.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/TNTListener.java
index c3d5162..e26b81f 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/TNTListener.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/listeners/TNTListener.java
@@ -17,8 +17,8 @@
 import org.bukkit.event.entity.EntityExplodeEvent;
 
 import io.github.thebusybiscuit.hotbarpets.HotbarPets;
-import io.github.thebusybiscuit.slimefun4.implementation.SlimefunPlugin;
-import me.mrCookieSlime.Slimefun.cscorelib2.protection.ProtectableAction;
+import io.github.thebusybiscuit.slimefun4.implementation.Slimefun;
+import io.github.thebusybiscuit.slimefun4.libraries.dough.protection.Interaction;
 
 public class TNTListener implements Listener {
 
@@ -39,7 +39,7 @@ public void onTNTDamage(EntityDamageByEntityEvent e) {
 
             if (attacker == null) {
                 e.setCancelled(true);
-            } else if (!SlimefunPlugin.getProtectionManager().hasPermission(attacker, e.getEntity().getLocation(), ProtectableAction.ATTACK_PLAYER)) {
+            } else if (!Slimefun.getProtectionManager().hasPermission(attacker, e.getEntity().getLocation(), Interaction.ATTACK_PLAYER)) {
                 e.setCancelled(true);
                 attacker.sendMessage(ChatColor.DARK_RED + "You cannot harm Players in here!");
             }
@@ -58,7 +58,7 @@ public void onTNTExplode(EntityExplodeEvent e) {
             while (blocks.hasNext()) {
                 Block b = blocks.next();
 
-                if (!SlimefunPlugin.getProtectionManager().hasPermission(player, b, ProtectableAction.BREAK_BLOCK)) {
+                if (!Slimefun.getProtectionManager().hasPermission(player, b, Interaction.BREAK_BLOCK)) {
                     blocks.remove();
                 }
             }
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/BedPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/BedPet.java
index abe9cb1..e4698c7 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/BedPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/BedPet.java
@@ -6,13 +6,13 @@
 import org.bukkit.potion.PotionEffectType;
 
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class BedPet extends SimpleBasePet {
 
-    public BedPet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, food, recipe);
+    public BedPet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, food, recipe);
     }
 
     @Override
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/CowPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/CowPet.java
index 53e6268..9cbc3c7 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/CowPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/CowPet.java
@@ -6,13 +6,13 @@
 import org.bukkit.potion.PotionEffectType;
 
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class CowPet extends SimpleBasePet {
 
-    public CowPet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, food, recipe);
+    public CowPet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, food, recipe);
     }
 
     @Override
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/CreeperPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/CreeperPet.java
index 2941014..8a3332f 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/CreeperPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/CreeperPet.java
@@ -9,14 +9,15 @@
 
 import io.github.thebusybiscuit.hotbarpets.HotbarPets;
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class CreeperPet extends SimpleBasePet {
 
     private final HotbarPets plugin;
 
     public CreeperPet(HotbarPets plugin, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(plugin.getCategory(), item, food, recipe);
+        super(plugin.getItemGroup(), item, food, recipe);
 
         this.plugin = plugin;
     }
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/DolphinPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/DolphinPet.java
index ade6174..54a85f9 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/DolphinPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/DolphinPet.java
@@ -6,13 +6,13 @@
 import org.bukkit.potion.PotionEffectType;
 
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class DolphinPet extends SimpleBasePet {
 
-    public DolphinPet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, food, recipe);
+    public DolphinPet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, food, recipe);
     }
 
     @Override
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/EnderChestPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/EnderChestPet.java
index 163c550..b4ec1fb 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/EnderChestPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/EnderChestPet.java
@@ -5,13 +5,13 @@
 import org.bukkit.inventory.ItemStack;
 
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class EnderChestPet extends SimpleBasePet {
 
-    public EnderChestPet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, food, recipe);
+    public EnderChestPet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, food, recipe);
     }
 
     @Override
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/EnderDragonPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/EnderDragonPet.java
index d02fe09..3365eff 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/EnderDragonPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/EnderDragonPet.java
@@ -8,13 +8,13 @@
 import org.bukkit.potion.PotionEffectType;
 
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class EnderDragonPet extends SimpleBasePet {
 
-    public EnderDragonPet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, food, recipe);
+    public EnderDragonPet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, food, recipe);
     }
 
     @Override
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/EndermanPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/EndermanPet.java
index 18a2c65..f4f2cdc 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/EndermanPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/EndermanPet.java
@@ -6,13 +6,13 @@
 import org.bukkit.inventory.ItemStack;
 
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class EndermanPet extends SimpleBasePet {
 
-    public EndermanPet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, food, recipe);
+    public EndermanPet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, food, recipe);
     }
 
     @Override
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/GhastPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/GhastPet.java
index d948825..41e0ea0 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/GhastPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/GhastPet.java
@@ -7,13 +7,13 @@
 import org.bukkit.potion.PotionEffectType;
 
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class GhastPet extends SimpleBasePet {
 
-    public GhastPet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, food, recipe);
+    public GhastPet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, food, recipe);
     }
 
     @Override
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/IronGolemPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/IronGolemPet.java
index 0b1ad73..3ed474b 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/IronGolemPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/IronGolemPet.java
@@ -7,13 +7,13 @@
 import org.bukkit.potion.PotionEffectType;
 
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class IronGolemPet extends SimpleBasePet {
 
-    public IronGolemPet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, food, recipe);
+    public IronGolemPet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, food, recipe);
     }
 
     @Override
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/PhantomPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/PhantomPet.java
index f69ba9f..e43fb59 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/PhantomPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/PhantomPet.java
@@ -7,13 +7,13 @@
 import org.bukkit.potion.PotionEffectType;
 
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class PhantomPet extends SimpleBasePet {
 
-    public PhantomPet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, food, recipe);
+    public PhantomPet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, food, recipe);
     }
 
     @Override
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/RabbitPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/RabbitPet.java
index 48ef2f0..d161663 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/RabbitPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/RabbitPet.java
@@ -6,13 +6,13 @@
 import org.bukkit.potion.PotionEffectType;
 
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class RabbitPet extends SimpleBasePet {
 
-    public RabbitPet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, food, recipe);
+    public RabbitPet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, food, recipe);
     }
 
     @Override
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/ShulkerPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/ShulkerPet.java
index 309450a..0beaef5 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/ShulkerPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/ShulkerPet.java
@@ -10,14 +10,14 @@
 
 import io.github.thebusybiscuit.hotbarpets.HotbarPets;
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class ShulkerPet extends SimpleBasePet {
 
     private final HotbarPets plugin;
 
     public ShulkerPet(HotbarPets plugin, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(plugin.getCategory(), item, food, recipe);
+        super(plugin.getItemGroup(), item, food, recipe);
 
         this.plugin = plugin;
     }
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/SpiderPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/SpiderPet.java
index 4349661..6f230a6 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/SpiderPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/SpiderPet.java
@@ -7,13 +7,13 @@
 import org.bukkit.potion.PotionEffectType;
 
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class SpiderPet extends SimpleBasePet {
 
-    public SpiderPet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, food, recipe);
+    public SpiderPet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, food, recipe);
     }
 
     @Override
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/SquidPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/SquidPet.java
index 06f3c12..33395cc 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/SquidPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/SquidPet.java
@@ -6,13 +6,13 @@
 import org.bukkit.potion.PotionEffectType;
 
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class SquidPet extends SimpleBasePet {
 
-    public SquidPet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, food, recipe);
+    public SquidPet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, food, recipe);
     }
 
     @Override
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/WorkbenchPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/WorkbenchPet.java
index 5281743..0961ea3 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/WorkbenchPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/WorkbenchPet.java
@@ -5,13 +5,13 @@
 import org.bukkit.inventory.ItemStack;
 
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class WorkbenchPet extends SimpleBasePet {
 
-    public WorkbenchPet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, food, recipe);
+    public WorkbenchPet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, food, recipe);
     }
 
     @Override
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/special/CookieSlimePet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/special/CookieSlimePet.java
index 1315928..a31db5a 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/special/CookieSlimePet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/special/CookieSlimePet.java
@@ -7,13 +7,13 @@
 import org.bukkit.potion.PotionEffectType;
 
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class CookieSlimePet extends SimpleBasePet {
 
-    public CookieSlimePet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, food, recipe);
+    public CookieSlimePet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, food, recipe);
     }
 
     @Override
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/special/PatriotPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/special/PatriotPet.java
index 654c7f0..b939732 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/special/PatriotPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/special/PatriotPet.java
@@ -7,13 +7,13 @@
 import org.bukkit.potion.PotionEffectType;
 
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class PatriotPet extends SimpleBasePet {
 
-    public PatriotPet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, food, recipe);
+    public PatriotPet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, food, recipe);
     }
 
     @Override
diff --git a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/special/PurpliciousCowPet.java b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/special/PurpliciousCowPet.java
index 011c3c3..249fbaa 100644
--- a/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/special/PurpliciousCowPet.java
+++ b/src/main/java/io/github/thebusybiscuit/hotbarpets/pets/special/PurpliciousCowPet.java
@@ -7,13 +7,13 @@
 import org.bukkit.potion.PotionEffectType;
 
 import io.github.thebusybiscuit.hotbarpets.SimpleBasePet;
-import me.mrCookieSlime.Slimefun.Objects.Category;
-import me.mrCookieSlime.Slimefun.api.SlimefunItemStack;
+import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
+import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItemStack;
 
 public class PurpliciousCowPet extends SimpleBasePet {
 
-    public PurpliciousCowPet(Category category, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
-        super(category, item, food, recipe);
+    public PurpliciousCowPet(ItemGroup itemGroup, SlimefunItemStack item, ItemStack food, ItemStack[] recipe) {
+        super(itemGroup, item, food, recipe);
     }
 
     @Override