diff --git a/pom.xml b/pom.xml
index 0fcf2ff525cf2d005aa92e6023761983f3a455bf..c550235a3fc7af376f69ec8ce60391d7bc5d9673 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>de.ozgcloud.common</groupId>
 		<artifactId>ozgcloud-common-parent</artifactId>
-		<version>3.0.1</version>
+		<version>4.0.1-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 
@@ -40,7 +40,7 @@
 	<name>OZG-Cloud Nachrichten Manager</name>
 
 	<properties>
-		<java.version>17</java.version>
+		<java.version>21</java.version>
 		<!-- TODO version management -->
 		<shedlock.version>4.25.0</shedlock.version>
 		<logcaptor.version>2.7.10</logcaptor.version>