diff --git a/.github/workflows/update-changelog.yml b/.github/workflows/update-changelog.yml
index 198b4ac..40f56ea 100644
--- a/.github/workflows/update-changelog.yml
+++ b/.github/workflows/update-changelog.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
         with:
-          ref: main
+          ref: 3.x
 
       - name: Update Changelog
         uses: stefanzweifel/changelog-updater-action@v1
@@ -23,6 +23,6 @@ jobs:
       - name: Commit updated CHANGELOG
         uses: stefanzweifel/git-auto-commit-action@v5
         with:
-          branch: main
+          branch: 3.x
           commit_message: Update CHANGELOG
           file_pattern: CHANGELOG.md
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