diff --git a/dc-model-jackson/pom.xml b/dc-model-jackson/pom.xml
index d2072d3b..5f34fe93 100644
--- a/dc-model-jackson/pom.xml
+++ b/dc-model-jackson/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>de.digitalcollections.model</groupId>
     <artifactId>dc-model-parent</artifactId>
-    <version>9.1.0-SNAPSHOT</version>
+    <version>9.1.0</version>
   </parent>
 
   <name>DigitalCollections: Model (Jackson)</name>
diff --git a/dc-model/pom.xml b/dc-model/pom.xml
index 891823a3..647b6973 100644
--- a/dc-model/pom.xml
+++ b/dc-model/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>de.digitalcollections.model</groupId>
     <artifactId>dc-model-parent</artifactId>
-    <version>9.1.0-SNAPSHOT</version>
+    <version>9.1.0</version>
   </parent>
 
   <name>DigitalCollections: Model (Model)</name>
diff --git a/pom.xml b/pom.xml
index 8db53a03..ed3b63bf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
   <groupId>de.digitalcollections.model</groupId>
   <artifactId>dc-model-parent</artifactId>
-  <version>9.1.0-SNAPSHOT</version>
+  <version>9.1.0</version>
   <packaging>pom</packaging>
 
   <modules>