diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c0c1356..d75493a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,7 +10,7 @@ jobs:
         python-version: ["3.7", "3.9"]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4.6.1
       with:
diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 2d18cd2..d337df4 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python
       uses: actions/setup-python@v4.6.1
       with: