diff --git a/templates/gitlab-ci-helm.yml b/templates/gitlab-ci-helm.yml
index ad187ae1287a299a97408837457130a02fb35d6e..4952e110e06ccd98adf17ad9db5e67c94ee538aa 100644
--- a/templates/gitlab-ci-helm.yml
+++ b/templates/gitlab-ci-helm.yml
@@ -388,7 +388,7 @@ stages:
     - *helm-scripts
     - install_ca_certs "${CUSTOM_CA_CERTS:-$DEFAULT_CA_CERTS}"
   cache:
-    key: "$CI_BUILD_REF_NAME"
+    key: "$CI_COMMIT_REF_SLUG-helm"
     paths:
       - .cache
       - .config