diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 755518ae63b713f6ffcfc3c1a9bed3c24a931736..a288d641ced74eb21eb9027133e96c00890ee0d3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: lofareosc/prefactor-ci:latest
+image: lofareosc/prefactor-ci:master
 
 variables:
   TEST_DATASET_NAME: "L570745_uv_first10.MS.tar.xz"