diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index 56e41ee..238c399 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -9,6 +9,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+      with:
+          persist-credentials: false
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
diff --git a/.github/workflows/ruff.yml b/.github/workflows/ruff.yml
index c6a406c..28a245d 100644
--- a/.github/workflows/ruff.yml
+++ b/.github/workflows/ruff.yml
@@ -13,7 +13,9 @@ jobs:
       matrix:
         python-version: ["3.10"]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
+      with:
+          persist-credentials: false
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v3
       with: