diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 34f7c1e..d012ab8 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -19,7 +19,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: 'atsphinx/.github/actions/setup-aqua@main'
       - name: 'Configure dependencies'
         run: |
@@ -40,7 +40,7 @@ jobs:
           - '3.14'
         workspace: ['locked', 'latest']
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: 'atsphinx/.github/actions/setup-aqua@main'
       - name: 'Stand by python-version'
         run: |
@@ -59,7 +59,7 @@ jobs:
   docs-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: 'atsphinx/.github/actions/setup-aqua@main'
       - name: 'Configure dependencies'
         run: |
@@ -70,7 +70,7 @@ jobs:
   build-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: 'atsphinx/.github/actions/setup-aqua@main'
       - name: 'Try building as package'
         run: |
diff --git a/.github/workflows/deploy-docs.yaml b/.github/workflows/deploy-docs.yaml
index 12531fe..6419e77 100644
--- a/.github/workflows/deploy-docs.yaml
+++ b/.github/workflows/deploy-docs.yaml
@@ -25,7 +25,7 @@ jobs:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: 'atsphinx/.github/actions/setup-aqua@main'
       - name: 'Configure dependencies'
         run: |
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 05167c5..15cf84c 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -13,7 +13,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: 'atsphinx/.github/actions/setup-aqua@main'
       - name: 'Build package'
         run: |
@@ -28,7 +28,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: actions/download-artifact@v8
         with:
           name: packages-${{ github.ref_name }}
@@ -66,7 +66,7 @@ jobs:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: 'atsphinx/.github/actions/setup-aqua@main'
       - name: Build document
         run: |