diff --git a/.github/workflows/build-docs.yml b/.github/workflows/build-docs.yml
index 1dcdbd0..d010361 100644
--- a/.github/workflows/build-docs.yml
+++ b/.github/workflows/build-docs.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       # build docs on node 22 because
       # https://github.com/naver/jsdoc-to-mdx/issues/20
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5d78ecc..aecbd36 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,7 +9,7 @@ jobs:
         node: ['20', '22', '24']
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - run: echo "build_status_message=failing" >> $GITHUB_ENV
       - run: echo "build_status_color=red" >> $GITHUB_ENV
@@ -70,7 +70,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Write License badge
         uses: action-badges/package-json-badges@main
diff --git a/.github/workflows/enforce-dependency-review.yml b/.github/workflows/enforce-dependency-review.yml
index bf7957b..a24788f 100644
--- a/.github/workflows/enforce-dependency-review.yml
+++ b/.github/workflows/enforce-dependency-review.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Checkout Repository'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: 'Dependency Review'
         uses: actions/dependency-review-action@v4
         with: