diff --git a/utilities/ci-regression-tests/regression-tests-ci.yml.j2 b/utilities/ci-regression-tests/regression-tests-ci.yml.j2
index 17ed8a61372abae3e284aac1c02edcd63d3097a4..000325a3e390cd39539ff2906ca0af1c8b7bca98 100644
--- a/utilities/ci-regression-tests/regression-tests-ci.yml.j2
+++ b/utilities/ci-regression-tests/regression-tests-ci.yml.j2
@@ -1,3 +1,5 @@
+image: git.rz.tu-bs.de:4567/irmb/virtualfluids/ubuntu20_04:1.5
+
 stages: 
   - test