diff --git a/.github/workflows/update-release-branch.yml b/.github/workflows/update-release-branch.yml
index b0cb714ca..0a7a3a875 100644
--- a/.github/workflows/update-release-branch.yml
+++ b/.github/workflows/update-release-branch.yml
@@ -1,11 +1,5 @@
 name: Update release branch
-on:
-  repository_dispatch:
-    # Example of how to trigger this:
-    # curl -H "Authorization: Bearer <token>" -X POST https://api.github.com/repos/github/codeql-action/dispatches -d '{"event_type":"update-release-branch"}'
-    # Replace <token> with a personal access token from this page: https://github.com/settings/tokens
-    types: [update-release-branch]
-  workflow_dispatch:
+on: workflow_dispatch
 
 jobs:
   update: