diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c0362c7..33da5f4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,3 +1,10 @@
+# we support merge request workflow only
+workflow:
+  rules:
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+    - if: $CI_COMMIT_TAG
+    - if: $CI_MERGE_REQUEST_ID
+
 default:
   image: docker:git
   services: