diff --git a/nachrichten-manager-interface/pom.xml b/nachrichten-manager-interface/pom.xml
index 8f5a875c87fb014ba78e22bbc4bf9bb5acef96fa..5ba11949173969b9fe17fbed2d7f0644fb29c168 100644
--- a/nachrichten-manager-interface/pom.xml
+++ b/nachrichten-manager-interface/pom.xml
@@ -37,7 +37,7 @@
 
 	<groupId>de.ozgcloud.nachrichten</groupId>
 	<artifactId>nachrichten-manager-interface</artifactId>
-	<version>2.12.0</version>
+	<version>2.13.0-SNAPSHOT</version>
 
 	<name>OZG-Cloud Nachrichten Manager gRPC Interface</name>
 	<description>Interface (gRPC) for Nachrichten Manager</description>
diff --git a/nachrichten-manager-postfach-interface/pom.xml b/nachrichten-manager-postfach-interface/pom.xml
index b38a2e0023b6a5e6e632358d996fea4d5ed46027..c5921ad4968fe06fb87325834f37338e3a566903 100644
--- a/nachrichten-manager-postfach-interface/pom.xml
+++ b/nachrichten-manager-postfach-interface/pom.xml
@@ -31,7 +31,7 @@
 	<parent>
 		<groupId>de.ozgcloud.nachrichten</groupId>
 		<artifactId>nachrichten-manager</artifactId>
-        <version>2.12.0</version>
+        <version>2.13.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
 	</parent>
 
diff --git a/nachrichten-manager-server/pom.xml b/nachrichten-manager-server/pom.xml
index 2368a2400cb4cd7174fef627c67a386b123d0e4c..974cfec57500d498c219cb5263d247fd84e57d55 100644
--- a/nachrichten-manager-server/pom.xml
+++ b/nachrichten-manager-server/pom.xml
@@ -31,7 +31,7 @@
 	<parent>
 		<groupId>de.ozgcloud.nachrichten</groupId>
 		<artifactId>nachrichten-manager</artifactId>
-		<version>2.12.0</version>
+		<version>2.13.0-SNAPSHOT</version>
 		<relativePath>../</relativePath>
 	</parent>
 
diff --git a/pom.xml b/pom.xml
index cb0de638082eadfbfea02db32041f3178b3f1d33..f2642b64fad539cdc3d769a26bf92fa0105ab882 100644
--- a/pom.xml
+++ b/pom.xml
@@ -35,7 +35,7 @@
 
 	<groupId>de.ozgcloud.nachrichten</groupId>
 	<artifactId>nachrichten-manager</artifactId>
-	<version>2.12.0</version>
+	<version>2.13.0-SNAPSHOT</version>
 
 	<name>OZG-Cloud Nachrichten Manager</name>
 	<packaging>pom</packaging>