diff --git a/.github/workflows/CI-master_tests.yml b/.github/workflows/CI-master_tests.yml
index b60de7e..f67c503 100644
--- a/.github/workflows/CI-master_tests.yml
+++ b/.github/workflows/CI-master_tests.yml
@@ -120,8 +120,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Checkout Repo
-        uses: actions/checkout@master
+      - uses: actions/checkout@v2
+        with:
+          persist-credentials: false
+          # Otherwise, you will failed to push refs to dest repo.
+          fetch-depth: 0
+          ref: refs/heads/${{ github.head_ref }}
 
       - name: Build linpeas
         run: |
@@ -139,13 +143,14 @@ jobs:
         run: |
           git config --local user.email ""
           git config --global user.name "CI-linpeas-ubuntu"
+          git pull origin "${{ github.ref }}" --autostash --rebase -Xours
           git commit -m "linpeas.sh auto update" -a --allow-empty
       
       - name: Push changes
         uses: ad-m/github-push-action@master
         with:
-           github_token: ${{ secrets.GITHUB_TOKEN }}
-           branch: ${{ github.ref }}
+          branch: refs/heads/${{ github.head_ref }}
+          github_token: ${{ secrets.GITHUB_TOKEN }}
 
   Build_and_test_macpeas_master:
     runs-on: macos-latest