diff --git a/alfa-server/pom.xml b/alfa-server/pom.xml
index 2f49a2232274d44b4c52a26aac62bfc0b1fe7f99..884c74bf15e86d576f43007ac28827fd1551dcdd 100644
--- a/alfa-server/pom.xml
+++ b/alfa-server/pom.xml
@@ -32,7 +32,7 @@
 	<parent>
 		<groupId>de.ozgcloud.alfa</groupId>
 		<artifactId>alfa</artifactId>
-		<version>2.20.0</version>
+		<version>2.21.0-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>alfa-server</artifactId>
diff --git a/alfa-service/pom.xml b/alfa-service/pom.xml
index 5e3d4493678e393b30284466e3b3ddc772ccfb6c..f63bcaaf6fee9e70a80961f6b248ee3208864439 100644
--- a/alfa-service/pom.xml
+++ b/alfa-service/pom.xml
@@ -33,7 +33,7 @@
 	<parent>
 		<groupId>de.ozgcloud.alfa</groupId>
 		<artifactId>alfa</artifactId>
-		<version>2.20.0</version>
+		<version>2.21.0-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>alfa-service</artifactId>
diff --git a/pom.xml b/pom.xml
index 2e967705407e0c5c5230e3214780e644cb730562..adfa49cfcdc499e6d4972c6eb8b48e539a389c9f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,12 +32,12 @@
 	<parent>
 		<groupId>de.ozgcloud.common</groupId>
 		<artifactId>ozgcloud-common-parent</artifactId>
-		<version>4.6.0</version>
+		<version>4.10.0</version>
 	</parent>
 
 	<groupId>de.ozgcloud.alfa</groupId>
 	<artifactId>alfa</artifactId>
-	<version>2.20.0</version>
+	<version>2.21.0-SNAPSHOT</version>
 	<name>Alfa Parent</name>
 	<packaging>pom</packaging>
 	<inceptionYear>2020</inceptionYear>