diff --git a/pom.xml b/pom.xml
index 4e85ee557..4877cf2bf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
 
   <groupId>life.qbic</groupId>
   <artifactId>data-model-lib</artifactId>
-  <version>2.22.0-SNAPSHOT</version>
+  <version>2.21.0</version>
   <name>data-model-lib</name>
   <url>http://github.com/qbicsoftware/data-model-lib</url>
   <description>Data models. A collection of QBiC's central data models and DTOs. </description>