diff --git a/nachrichten-manager-interface/pom.xml b/nachrichten-manager-interface/pom.xml
index 39e2c1c398aa52111c5f0fff3f487d358b560c6f..d46e69dec894811ae5efa342c0b19d8eff6da47d 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>2.8.0</version>
+	<version>2.9.0-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 39200f5df0368b992e6e16b08741005c641b208b..4b1286d20867587d9554616e0857def209b3649b 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>2.8.0</version>
+        <version>2.9.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
 	</parent>
 
diff --git a/nachrichten-manager-server/pom.xml b/nachrichten-manager-server/pom.xml
index 1dfaa93be7a224d7be2631b0fd3944d83cf15c94..b5c34fb7b42aa818fcb03fcc3881bc181ba241b2 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>2.8.0</version>
+        <version>2.9.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
 	</parent>
 
diff --git a/pom.xml b/pom.xml
index 9d05dcc5cf994b5e1608b0681b77ff378f0bb37f..0d5a389185d7c2b90011fe590b63a9f9870852fe 100644
--- a/pom.xml
+++ b/pom.xml
@@ -35,7 +35,7 @@
 
 	<groupId>de.ozgcloud.nachrichten</groupId>
 	<artifactId>nachrichten-manager</artifactId>
-	<version>2.8.0</version>
+	<version>2.9.0-SNAPSHOT</version>
 
 	<name>OZG-Cloud Nachrichten Manager</name>
 	<packaging>pom</packaging>