diff --git a/.github/workflows/release-notes.yml b/.github/workflows/release-notes.yml
index 2481873854b..c6f54d4f2b3 100644
--- a/.github/workflows/release-notes.yml
+++ b/.github/workflows/release-notes.yml
@@ -80,5 +80,6 @@ jobs:
 
             Please review and merge.
           branch: 'changelog-${{ steps.release_info.outputs.VERSION }}'
+          base: 'main'
           team-reviewers: 'gemini-cli-docs, gemini-cli-maintainers'
           delete-branch: true