diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 63513c31f20db6b612b015405bdcd27474f8bdb9..9c4f15bc40b9191e36a53aff8d44da541d1b8d81 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -24,7 +24,7 @@ variables:
   # caosdb-cpplib)
   CPPLIB_REGISTRY_IMAGE: $CI_REGISTRY/caosdb/src/caosdb-cpplib/testenv
   OCTAVE_REGISTRY_IMAGE: $CI_REGISTRY_IMAGE/testenv:$CI_COMMIT_REF_NAME
-  CPPLIB_BRANCH: f-extern-c
+  CPPLIB_BRANCH: dev
 
 
 image: $OCTAVE_REGISTRY_IMAGE