diff --git a/.github/workflows/public-repo-guard.yml b/.github/workflows/public-repo-guard.yml
index 719718a..d232941 100644
--- a/.github/workflows/public-repo-guard.yml
+++ b/.github/workflows/public-repo-guard.yml
@@ -43,6 +43,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd  # v5.0.1
+        with:
+          persist-credentials: false
 
       # gitleaks' GitHub Action requires a paid license for organizations; the CLI
       # itself is MIT-licensed and free. Pin the version AND verify the release