diff --git a/.github/workflows/sec-auto-merge.yml b/.github/workflows/sec-auto-merge.yml
index 35eed442..181fdc01 100644
--- a/.github/workflows/sec-auto-merge.yml
+++ b/.github/workflows/sec-auto-merge.yml
@@ -14,6 +14,7 @@ jobs:
         uses: actions/checkout@v3
         with:
           fetch-depth: 0
+          persist-credentials: false
 
       - name: Fix merge conflicts
         run: |