diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 54fabc6f..07ee4181 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/publish_website.yml b/.github/workflows/publish_website.yml
index 2181950e..5af31f70 100644
--- a/.github/workflows/publish_website.yml
+++ b/.github/workflows/publish_website.yml
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with: