diff --git a/pom.xml b/pom.xml
index 25ff212..5298c2b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
 
 	<groupId>com.sitepark.ies</groupId>
 	<artifactId>ies-contentrepository-core</artifactId>
-	<version>1.0-SNAPSHOT</version>
+	<version>1.0.0-SNAPSHOT</version>
 	<name>IES Content Repository Core</name>
 	<description>IES contentrepository domain und use-case implementations</description>
 
@@ -18,7 +18,7 @@
 		<junit.version>5.10.0</junit.version>
 		<spotbugs.version>4.8.0</spotbugs.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<maven.compiler.release>11</maven.compiler.release>
+		<maven.compiler.release>21</maven.compiler.release>
 	</properties>
 
 	<scm>