diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ab21364..2a8f6bd 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python 3.11
         uses: actions/setup-python@v4
         with:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 38aab19..2c26cbf 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,7 +15,7 @@ jobs:
         python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.x"]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with: