diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index 230df61..70d5926 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -21,7 +21,7 @@ jobs:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python
         uses: actions/setup-python@v4
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 09606b1..dc0ab4a 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -20,7 +20,7 @@ jobs:
       PYTHON_VERSION: ${{ matrix.python-version }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python
         uses: actions/setup-python@v4