diff --git a/.github/workflows/regression_tests.yml b/.github/workflows/regression_tests.yml
index 88a27b721..9973eccd0 100644
--- a/.github/workflows/regression_tests.yml
+++ b/.github/workflows/regression_tests.yml
@@ -31,7 +31,7 @@ jobs:
         with:
           repository: ecmwf-ifs/dwarf-p-cloudsc
           path: cloudsc
-          ref: develop
+          ref: naml-loki-config-update
 
       - name: Clone ECWAM
         uses: actions/checkout@v3