diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 16edc743..c953f7c0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -60,6 +60,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
       with:
+        persist-credentials: false
         fetch-depth: 0
 
     - name: Use Node.js 12.x