diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 13540cd12be4a074bc5453db43457239ec71af1b..7bfd1b7662ffd04fe7d3a089177e1d762725ea67 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -14,7 +14,7 @@ build-p2:
   script:
     - mvn --version
     - mvn clean install
-  when: manual
+  only: master
   artifacts:
     paths:
       - de.hftstuttgart.cityunits.p2site/target/repository/