diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f85fc60ac79bd4a52bf634be557951e464a24c7f..813c6c20fcc037913ed4635c722bdd68fda02850 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -22,7 +22,6 @@
 
 variables:
   CPPLIB_REGISTRY_IMAGE: $CI_REGISTRY/caosdb/src/caosdb-cpplib/testenv:$CI_COMMIT_REF_NAME
-  CPPLIB_IMAGE_CACHE: caosdb/src/caosdb-cpplib/testenv:$CI_COMMIT_REF_NAME
 
   CPPINTTEST_PIPELINE: https://gitlab.indiscale.com/api/v4/projects/111/trigger/pipeline
   CPPINTTEST_BRANCHES: https://gitlab.indiscale.com/api/v4/projects/111/branches
@@ -51,14 +50,13 @@ info:
   script:
     - echo "Pipeline triggered by $TRIGGERED_BY_REPO@$TRIGGERED_BY_REF ($TRIGGERED_BY_HASH)"
     - echo "$CPPLIB_REGISTRY_IMAGE"
-    - echo "$CPPLIB_IMAGE_CACHE"
     - echo "$CPPINTTEST_PIPELINE"
     - echo "$CPPINTTEST_BRANCHES"
     - echo "$GIT_SUBMODULE_STRATEGY"
 
 # Build a docker image in which tests for this repository can run
 build-testenv:
-  tags: [ docker ]
+  tags: [ docker-dind ]
   image: docker:20.10
   stage: setup
   script: