diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 880a2b38be1ff1e0ac577b45232503d19be5f3f5..04ff1e713f3a39ad73c304a577f45030abf66fdb 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -25,7 +25,8 @@ variables:
   TRIGGERED_BY_HASH: $CI_COMMIT_SHORT_SHA
 
   # The defalt branch to use with caosdb-cpplib
-  CPP_DEFAULT_BRANCH: dev
+  # TODO: Change back to dev once f-extern-c and f-files have been merged.
+  CPP_DEFAULT_BRANCH: f-extended-c
 
 image: $JULIALIB_REGISTRY_IMAGE