diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c22ab6c86da20d56157492b8f37f82811b9e80b9..359a353da3c3ce7a79c899bb4aa7fc1b05303e20 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,7 +17,7 @@ build_image:
   #              each branch will have an individual Docker image that will be used
   #              in the following stages of the pipeline for testing the code
   image:
-    name: gitlab-registry.cern.ch/linuxsupport/cc7-base:latest
+    name: gitlab-registry.cern.ch/linuxsupport/alma9-base:latest
   stage: build
   tags:
     - k8s-cvmfs
@@ -35,7 +35,7 @@ build_image:
 
 test_unittest:
   image:
-    name: gitlab-registry.cern.ch/linuxsupport/cc7-base:latest
+    name: gitlab-registry.cern.ch/linuxsupport/alma9-base:latest
   stage: test
   tags:
     - k8s-cvmfs