diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 79aee58..0de6013 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
   validate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: oven-sh/setup-bun@v2
         with:
           bun-version: latest
diff --git a/.github/workflows/pkg-pr-new.yml b/.github/workflows/pkg-pr-new.yml
index 6f143f1..14a3c33 100644
--- a/.github/workflows/pkg-pr-new.yml
+++ b/.github/workflows/pkg-pr-new.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - uses: oven-sh/setup-bun@v2
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2c56daf..8b58473 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,7 +11,7 @@ jobs:
     if: ${{ github.repository_owner == 'morinokami' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: oven-sh/setup-bun@v2
         with:
           bun-version: latest