diff --git a/ocraft-s2client-api/pom.xml b/ocraft-s2client-api/pom.xml
index e33a1ba..62a4b56 100644
--- a/ocraft-s2client-api/pom.xml
+++ b/ocraft-s2client-api/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>ocraft-s2client</artifactId>
         <groupId>com.github.ocraft</groupId>
-        <version>0.4.22-SNAPSHOT</version>
+        <version>0.4.21</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/ocraft-s2client-benchmark/pom.xml b/ocraft-s2client-benchmark/pom.xml
index 23f90da..44b07de 100644
--- a/ocraft-s2client-benchmark/pom.xml
+++ b/ocraft-s2client-benchmark/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>ocraft-s2client</artifactId>
         <groupId>com.github.ocraft</groupId>
-        <version>0.4.22-SNAPSHOT</version>
+        <version>0.4.21</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/ocraft-s2client-bot/pom.xml b/ocraft-s2client-bot/pom.xml
index 5f48781..bb38f91 100644
--- a/ocraft-s2client-bot/pom.xml
+++ b/ocraft-s2client-bot/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>ocraft-s2client</artifactId>
         <groupId>com.github.ocraft</groupId>
-        <version>0.4.22-SNAPSHOT</version>
+        <version>0.4.21</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/ocraft-s2client-protocol/pom.xml b/ocraft-s2client-protocol/pom.xml
index c2fb04a..dc2413f 100644
--- a/ocraft-s2client-protocol/pom.xml
+++ b/ocraft-s2client-protocol/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>ocraft-s2client</artifactId>
         <groupId>com.github.ocraft</groupId>
-        <version>0.4.22-SNAPSHOT</version>
+        <version>0.4.21</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/ocraft-s2client-sample/pom.xml b/ocraft-s2client-sample/pom.xml
index 86798d3..6a88f37 100644
--- a/ocraft-s2client-sample/pom.xml
+++ b/ocraft-s2client-sample/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>ocraft-s2client</artifactId>
         <groupId>com.github.ocraft</groupId>
-        <version>0.4.22-SNAPSHOT</version>
+        <version>0.4.21</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/ocraft-s2client-test/pom.xml b/ocraft-s2client-test/pom.xml
index 0c386a9..c2c32e5 100644
--- a/ocraft-s2client-test/pom.xml
+++ b/ocraft-s2client-test/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>ocraft-s2client</artifactId>
         <groupId>com.github.ocraft</groupId>
-        <version>0.4.22-SNAPSHOT</version>
+        <version>0.4.21</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index cc32330..65e0583 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
     <groupId>com.github.ocraft</groupId>
     <artifactId>ocraft-s2client</artifactId>
     <packaging>pom</packaging>
-    <version>0.4.22-SNAPSHOT</version>
+    <version>0.4.21</version>
 
     <modules>
         <module>ocraft-s2client-test</module>
@@ -57,7 +57,7 @@
         <connection>scm:git:https://github.com/ocraft/ocraft-s2client.git</connection>
         <url>https://github.com/ocraft/ocraft-s2client</url>
         <developerConnection>scm:git:https://github.com/ocraft/ocraft-s2client.git</developerConnection>
-        <tag>HEAD</tag>
+        <tag>v0.4.21</tag>
     </scm>
 
     <properties>