diff --git a/.github/workflows/update_credits.yml b/.github/workflows/update_credits.yml
index 8e17ebb6d7..601f5ea501 100644
--- a/.github/workflows/update_credits.yml
+++ b/.github/workflows/update_credits.yml
@@ -2,6 +2,8 @@ name: Update Credits upon opening PR
 
 on:
   pull_request:
+    branches:
+      - master
     types:
       - opened
       - synchronize
@@ -10,7 +12,9 @@ jobs:
   update-credits:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.ref }}
       - run: |
           contributor_name=$(jq -r '.pull_request.user.login' $GITHUB_EVENT_PATH)
           pr_description=$(jq -r '.pull_request.body' $GITHUB_EVENT_PATH)
@@ -26,7 +30,7 @@ jobs:
           git add .github/credits.md
           git config --local user.email "action@github.com"
           git config --local user.name "GitHub Action"
-          git commit -m "Update credits.md with contributor information" || exit 0
+          git commit -m "Update credits.md with contributor information"
           git push origin ${{ github.event.pull_request.head.ref }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}