diff --git a/api-lib-core/pom.xml b/api-lib-core/pom.xml
index 576f47027997d8d834b3531a1fdcdffa2804ef37..5dc3396feb434f3cfb840cb37b41c859a37b2411 100644
--- a/api-lib-core/pom.xml
+++ b/api-lib-core/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>de.ozgcloud.api-lib</groupId>
 		<artifactId>api-lib-parent</artifactId>
-		<version>0.4.0-SNAPSHOT</version>
+		<version>0.4.0</version>
 	</parent>
 
 	<artifactId>api-lib-core</artifactId>
@@ -18,6 +18,7 @@
 		<maven-failsafe-plugin.version>3.2.2</maven-failsafe-plugin.version>
 		<jacoco.plugin.version>0.8.11</jacoco.plugin.version>
 		
+		<!-- required to use SNAPSHOT to break cyclic dependency -->
 		<vorgang-manager.version>2.0.0-SNAPSHOT</vorgang-manager.version>
 	</properties>
 
diff --git a/api-lib-demo/pom.xml b/api-lib-demo/pom.xml
index 7f85ded1685e932cfdd4120044f636581b8da130..72d5fda2660e25c752d178ef7e1a6fea42434482 100644
--- a/api-lib-demo/pom.xml
+++ b/api-lib-demo/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>de.ozgcloud.api-lib</groupId>
 		<artifactId>api-lib-parent</artifactId>
-		<version>0.4.0-SNAPSHOT</version>
+		<version>0.4.0</version>
 	</parent>
 	<artifactId>api-lib-demo</artifactId>
 
diff --git a/ozg-cloud-spring-boot-starter/pom.xml b/ozg-cloud-spring-boot-starter/pom.xml
index 63f160a2321fa22a77869e62925778acca89d7ee..a1e1b6233b4ae3baf8a86992a5bf424f9dc86096 100644
--- a/ozg-cloud-spring-boot-starter/pom.xml
+++ b/ozg-cloud-spring-boot-starter/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>de.ozgcloud.api-lib</groupId>
 		<artifactId>api-lib-parent</artifactId>
-		<version>0.4.0-SNAPSHOT</version>
+		<version>0.4.0</version>
 	</parent>
 	<artifactId>ozg-cloud-spring-boot-starter</artifactId>
 
diff --git a/pom.xml b/pom.xml
index 5eb6fa5c1e201eb151d780c17d7364ad86a9d399..15e7f37a409afe1588c45a719e5f84b924160570 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
 
 	<groupId>de.ozgcloud.api-lib</groupId>
 	<artifactId>api-lib-parent</artifactId>
-	<version>0.4.0-SNAPSHOT</version>
+	<version>0.4.0</version>
 	<description>Library project to use the OZG-Cloud API</description>
 
 	<packaging>pom</packaging>