diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a0fd076fbd23449d05e0fb22006d0b373269faf6..93f5e62fbe475d53c78f5bb4153bac3f15a14e1e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,6 +2,28 @@
 # CI for CEPCSW at IHEP GitLab
 ##############################################################################
 
+workflow:
+  rules:
+    # These 3 rules from https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/gitlab/ci/templates/Workflows/MergeRequest-Pipelines.gitlab-ci.yml
+    # Run on merge requests
+    - if: $CI_MERGE_REQUEST_IID
+    - if: $CI_PIPELINE_SOURCE == 'merge_request_event'
+    # Run on tags
+    - if: $CI_COMMIT_TAG
+    # Run when called from an upstream pipeline https://docs.gitlab.com/ee/ci/pipelines/downstream_pipelines.html?tab=Multi-project+pipeline#use-rules-to-control-downstream-pipeline-jobs
+    - if: $CI_PIPELINE_SOURCE == 'pipeline'
+    - if: $CI_PIPELINE_SOURCE == 'parent-child'
+    # Run on commits to the default branch
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+    # The last rule above blocks manual and scheduled pipelines on non-default branch. The rule below allows them:
+    - if: $CI_PIPELINE_SOURCE == "schedule"
+    # Run if triggered from Web using 'Run Pipelines'
+    - if: $CI_PIPELINE_SOURCE == "web"
+    # Run if triggered from WebIDE
+    - if: $CI_PIPELINE_SOURCE == "webide"
+
+
+
 stages:
   - build
   # - test