diff --git a/.github/workflows/build_pages.yml b/.github/workflows/build_pages.yml
index e727e2d..9441bc2 100644
--- a/.github/workflows/build_pages.yml
+++ b/.github/workflows/build_pages.yml
@@ -13,7 +13,7 @@ jobs:
 
     name: run the build script
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/deploy_pages.yml b/.github/workflows/deploy_pages.yml
index ad12022..64140a6 100644
--- a/.github/workflows/deploy_pages.yml
+++ b/.github/workflows/deploy_pages.yml
@@ -12,7 +12,7 @@ jobs:
 
     name: run the build script
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: ruby/setup-ruby@v1
         with: