diff --git a/pom.xml b/pom.xml
index 5a8659f8..02f46e54 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.github.hakky54</groupId>
         <artifactId>sslcontext-kickstart-bom</artifactId>
-        <version>9.0.0</version>
+        <version>9.0.1-SNAPSHOT</version>
         <relativePath>./sslcontext-kickstart-bom</relativePath>
     </parent>
 
@@ -38,7 +38,7 @@
         <url>https://github.com/Hakky54/sslcontext-kickstart</url>
         <connection>scm:git:git@github.com:Hakky54/sslcontext-kickstart.git</connection>
         <developerConnection>scm:git:git@github.com:Hakky54/sslcontext-kickstart.git</developerConnection>
-        <tag>v9.0.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <developers>
diff --git a/sslcontext-kickstart-bom/pom.xml b/sslcontext-kickstart-bom/pom.xml
index 33cb1ee3..197179b9 100644
--- a/sslcontext-kickstart-bom/pom.xml
+++ b/sslcontext-kickstart-bom/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>io.github.hakky54</groupId>
     <artifactId>sslcontext-kickstart-bom</artifactId>
-    <version>9.0.0</version>
+    <version>9.0.1-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>SSLContext Kickstart (Bill Of Materials)</name>
@@ -23,7 +23,7 @@
         <url>https://github.com/Hakky54/sslcontext-kickstart</url>
         <connection>scm:git:git@github.com:Hakky54/sslcontext-kickstart.git</connection>
         <developerConnection>scm:git:git@github.com:Hakky54/sslcontext-kickstart.git</developerConnection>
-        <tag>v9.0.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <developers>
diff --git a/sslcontext-kickstart-for-apache4/pom.xml b/sslcontext-kickstart-for-apache4/pom.xml
index f9c9bd54..72bcdec1 100644
--- a/sslcontext-kickstart-for-apache4/pom.xml
+++ b/sslcontext-kickstart-for-apache4/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.github.hakky54</groupId>
         <artifactId>sslcontext-kickstart-parent</artifactId>
-        <version>9.0.0</version>
+        <version>9.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>sslcontext-kickstart-for-apache4</artifactId>
diff --git a/sslcontext-kickstart-for-apache5/pom.xml b/sslcontext-kickstart-for-apache5/pom.xml
index 9f28332f..42cd2fcb 100644
--- a/sslcontext-kickstart-for-apache5/pom.xml
+++ b/sslcontext-kickstart-for-apache5/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.github.hakky54</groupId>
         <artifactId>sslcontext-kickstart-parent</artifactId>
-        <version>9.0.0</version>
+        <version>9.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>sslcontext-kickstart-for-apache5</artifactId>
diff --git a/sslcontext-kickstart-for-jetty/pom.xml b/sslcontext-kickstart-for-jetty/pom.xml
index e608ab83..5ff5adf9 100644
--- a/sslcontext-kickstart-for-jetty/pom.xml
+++ b/sslcontext-kickstart-for-jetty/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.github.hakky54</groupId>
         <artifactId>sslcontext-kickstart-parent</artifactId>
-        <version>9.0.0</version>
+        <version>9.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>sslcontext-kickstart-for-jetty</artifactId>
diff --git a/sslcontext-kickstart-for-netty/pom.xml b/sslcontext-kickstart-for-netty/pom.xml
index a5bc2b16..fa9c05c6 100644
--- a/sslcontext-kickstart-for-netty/pom.xml
+++ b/sslcontext-kickstart-for-netty/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.github.hakky54</groupId>
         <artifactId>sslcontext-kickstart-parent</artifactId>
-        <version>9.0.0</version>
+        <version>9.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>sslcontext-kickstart-for-netty</artifactId>
diff --git a/sslcontext-kickstart-for-pem/pom.xml b/sslcontext-kickstart-for-pem/pom.xml
index 55eb1a47..8474608a 100644
--- a/sslcontext-kickstart-for-pem/pom.xml
+++ b/sslcontext-kickstart-for-pem/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.github.hakky54</groupId>
         <artifactId>sslcontext-kickstart-parent</artifactId>
-        <version>9.0.0</version>
+        <version>9.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>sslcontext-kickstart-for-pem</artifactId>
diff --git a/sslcontext-kickstart/pom.xml b/sslcontext-kickstart/pom.xml
index e280a372..1eddfb5f 100644
--- a/sslcontext-kickstart/pom.xml
+++ b/sslcontext-kickstart/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.github.hakky54</groupId>
         <artifactId>sslcontext-kickstart-parent</artifactId>
-        <version>9.0.0</version>
+        <version>9.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>sslcontext-kickstart</artifactId>