diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index eb3e2c1..6748d34 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -16,7 +16,7 @@ jobs:
         os: [macos-latest, ubuntu-latest, windows-latest]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:
diff --git a/.github/workflows/deploy_pypi.yml b/.github/workflows/deploy_pypi.yml
index 806ed75..e5d7cee 100644
--- a/.github/workflows/deploy_pypi.yml
+++ b/.github/workflows/deploy_pypi.yml
@@ -13,7 +13,7 @@ jobs:
         python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python
       uses: actions/setup-python@v2
       with: