diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1331272b..462ea416 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,6 +23,8 @@ jobs:
           access_token: ${{ github.token }}
       - name: 'Check out repository'
         uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+        with:
+          persist-credentials: false
       - name: 'Set up JDK ${{ matrix.java }}'
         uses: actions/setup-java@1bcf9fb12cf4aa7d266a90ae39939e61372fe520
         with: