diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d0a64d9..a096bef 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,7 +15,7 @@ jobs:
         python-version: ['3.7', '3.11', 'pypy-3.9']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index 36a5cc8..6865260 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -15,7 +15,7 @@ jobs:
     name: Publish to PyPI
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Make README links absolute
         run: |