diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index eb1763a1da8406e9fb1f328960f81f5151572b99..920bd375c4d8fba8cdd1498ba851102623b32d80 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -21,8 +21,16 @@ variables:
   BUILD_TESTS: "true"
   BUILD_CTEST: "true"
 
+workflow:
+  rules:
+    # Disable CI for non-MR user-scoped pipelines
+    - if: '$CI_MERGE_REQUEST_IID == null && $CI_PROJECT_NAMESPACE != "ogs"'
+      when: never
+    - if: $CI_MERGE_REQUEST_IID                    # merge requests
+    - if: $CI_COMMIT_TAG                           # tags, ogs/ogs repo only
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH  # master, ogs/ogs repo only
+
 include:
-  - template: 'Workflows/MergeRequest-Pipelines.gitlab-ci.yml'
   - template: 'Code-Quality.gitlab-ci.yml'
   # extends
   - local: '/scripts/ci/extends/defaults.yml'