diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 80454d5..52e5b54 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -28,7 +28,7 @@ jobs:
         access_token: ${{ github.token }}
 
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Set up Python 3.9
       uses: actions/setup-python@v4
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0d4e5a5..516490b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -21,7 +21,7 @@ jobs:
         access_token: ${{ github.token }}
 
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
@@ -55,7 +55,7 @@ jobs:
         access_token: ${{ github.token }}
 
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4