diff --git a/.github/workflows/deploy-page.yml b/.github/workflows/deploy-page.yml
index 0fad0c0..baf5377 100644
--- a/.github/workflows/deploy-page.yml
+++ b/.github/workflows/deploy-page.yml
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Node
         uses: actions/setup-node@v3
diff --git a/.github/workflows/test-python.yml b/.github/workflows/test-python.yml
index bd23237..0bf86d1 100644
--- a/.github/workflows/test-python.yml
+++ b/.github/workflows/test-python.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python
         uses: actions/setup-python@v4
diff --git a/.github/workflows/test-typescript.yml b/.github/workflows/test-typescript.yml
index 343c7aa..5b447eb 100644
--- a/.github/workflows/test-typescript.yml
+++ b/.github/workflows/test-typescript.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout TypeScript code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup TypeScript Node.js
         uses: actions/setup-node@v3