diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c5bc9b9..b91206d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,6 +23,8 @@ jobs:
           - "3.12"
     steps:
       - uses: actions/checkout@v3
+        with:
+          persist-credentials: false
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 6119155..378dbf7 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -13,6 +13,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
+        with:
+          persist-credentials: false
       - name: Set up Python
         uses: actions/setup-python@v4
         with: