diff --git a/mattermost-models/pom.xml b/mattermost-models/pom.xml
index 509ab01c..b1c37c67 100644
--- a/mattermost-models/pom.xml
+++ b/mattermost-models/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>net.bis5.mattermost4j</groupId>
 		<artifactId>mattermost4j-parent</artifactId>
-		<version>0.20.2-SNAPSHOT</version>
+		<version>0.21.0</version>
 	</parent>
 	<artifactId>mattermost-models</artifactId>
 	<name>Mattermost Data Models</name>
diff --git a/mattermost4j-core/pom.xml b/mattermost4j-core/pom.xml
index ce8a808a..f937be52 100644
--- a/mattermost4j-core/pom.xml
+++ b/mattermost4j-core/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>net.bis5.mattermost4j</groupId>
 		<artifactId>mattermost4j-parent</artifactId>
-		<version>0.20.2-SNAPSHOT</version>
+		<version>0.21.0</version>
 	</parent>
 	<artifactId>mattermost4j-core</artifactId>
 	<name>Mattermost APIv4 Client for Java</name>
diff --git a/pom.xml b/pom.xml
index bc5b6796..5652336e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>net.bis5.mattermost4j</groupId>
 	<artifactId>mattermost4j-parent</artifactId>
-	<version>0.20.2-SNAPSHOT</version>
+	<version>0.21.0</version>
 	<packaging>pom</packaging>
 	<name>Mattermost4J Parent POM</name>
 	<url>https://github.com/maruTA-bis5/mattermost4j</url>
@@ -22,7 +22,7 @@
 		<url>https://github.com/maruTA-bis5/mattermost4j</url>
 		<connection>scm:git:git://github.com/maruTA-bis5/mattermost4j.git</connection>
 		<developerConnection>scm:git:git@github.com:maruTA-bis5/mattermost4j.git</developerConnection>
-	  <tag>HEAD</tag>
+	  <tag>v0.21.0</tag>
   </scm>
 	<developers>
 		<developer>