diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 04f7dcc..6ae4f48 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -14,7 +14,7 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: flatt-security/setup-takumi-guard-pypi@7d825811bb293b9e0230477165442580a0074280 # v1.0.0
         with:
           bot-id: ${{ !github.event.pull_request.head.repo.fork && secrets.TAKUMI_GUARD_BOT_ID || '' }}
@@ -28,7 +28,7 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: pnpm/action-setup@v3
       - uses: actions/setup-node@v4
         with:
@@ -49,7 +49,7 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: pnpm/action-setup@v3
       - uses: actions/setup-node@v4
         with:
@@ -68,7 +68,7 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: pnpm/action-setup@v3
       - uses: actions/setup-node@v4
         with:
diff --git a/.github/workflows/swagger.yaml b/.github/workflows/swagger.yaml
index 53399b7..4cad512 100644
--- a/.github/workflows/swagger.yaml
+++ b/.github/workflows/swagger.yaml
@@ -21,7 +21,7 @@ jobs:
       url: ${{ steps.deployment.outputs.page_url }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: pnpm/action-setup@v3
       - uses: actions/setup-node@v4
         with: