diff --git a/README.md b/README.md
index e4615e9..0316476 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ allprojects {
 Include dependency with `BottomSheet` in your app.gradle file with:
 
 ```diff
-+ implementation 'com.github.whalemare:sheetmenu:1.3.5'
++ implementation 'com.github.whalemare:sheetmenu:1.3.6'
 ```
 
 
diff --git a/app/build.gradle b/app/build.gradle
index 3545163..efe5886 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -31,6 +31,7 @@ dependencies {
     implementation project(path: ':sheetmenu')
 //    implementation 'com.github.whalemare:sheetmenu:1.3.5'
     implementation "com.android.support:appcompat-v7:$supportVersion"
+    implementation "com.android.support:recyclerview-v7:$supportVersion"
     implementation "com.android.support.constraint:constraint-layout:1.1.0"
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 
diff --git a/app/src/main/java/ru/whalemare/bottomsheet/MainActivityKotlin.kt b/app/src/main/java/ru/whalemare/bottomsheet/MainActivityKotlin.kt
index f5347b3..17b0693 100644
--- a/app/src/main/java/ru/whalemare/bottomsheet/MainActivityKotlin.kt
+++ b/app/src/main/java/ru/whalemare/bottomsheet/MainActivityKotlin.kt
@@ -5,6 +5,7 @@ import android.os.Bundle
 import android.support.v7.app.AppCompatActivity
 import android.support.v7.widget.GridLayoutManager
 import android.view.MenuItem
+import android.view.View
 import android.widget.CheckBox
 import android.widget.Toast
 import ru.whalemare.sheetmenu.SheetMenu
@@ -19,17 +20,17 @@ open class MainActivityKotlin : AppCompatActivity() {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
 
-        (findViewById(R.id.checkbox_title) as CheckBox)
+        (findViewById<CheckBox>(R.id.checkbox_title))
                 .setOnCheckedChangeListener { _, isChecked -> needTitle = isChecked }
 
-        (findViewById(R.id.checkbox_icons) as CheckBox)
+        (findViewById<CheckBox>(R.id.checkbox_icons))
                 .setOnCheckedChangeListener { _, isChecked -> needIcons = isChecked }
 
-        findViewById(R.id.button_linear).setOnClickListener({
+        findViewById<View>(R.id.button_linear).setOnClickListener({
             setupLinear()
         })
 
-        findViewById(R.id.button_grid).setOnClickListener({
+        findViewById<View>(R.id.button_grid).setOnClickListener({
             setupGrid()
         })
     }
diff --git a/build.gradle b/build.gradle
index 564a35f..0028fc6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@
 
 buildscript {
     ext.kotlin_version = '1.2.41'
-    ext.app_version = "1.3.5"
+    ext.app_version = "1.3.6"
     ext.supportVersion = "27.1.1"
     repositories {
         jcenter()