diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1b85e025..04234824 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,6 +27,8 @@ jobs:
     steps:
       - name: 'Check out repository'
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
+        with:
+          persist-credentials: false
       - name: 'Set up JDK ${{ matrix.java }}'
         uses: actions/setup-java@03ad4de0992f5dab5e18fcb136590ce7c4a0ac95
         with: