diff --git a/.github/workflows/pr-check.yaml b/.github/workflows/pr-check.yaml
index cb1be2b..f1744ff 100644
--- a/.github/workflows/pr-check.yaml
+++ b/.github/workflows/pr-check.yaml
@@ -8,7 +8,7 @@ jobs:
 name: Block fixup commits
 
 steps:
- - uses: actions/checkout@v4
+ - uses: actions/checkout@v5
 
 - name: Block fixup commit merge
 uses: 13rac1/block-fixup-merge-action@v2.0.0
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 5e9a9e2..8921dda 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -20,7 +20,7 @@ jobs:
 name: PHP ${{ matrix.php-version }} ${{ matrix.dependencies }}
 
 steps:
- - uses: actions/checkout@v4
+ - uses: actions/checkout@v5
 
 - name: Setup PHP
 uses: shivammathur/setup-php@v2
@@ -56,7 +56,7 @@ jobs:
 name: "Code style and static analysis"
 runs-on: ubuntu-latest
 steps:
- - uses: actions/checkout@v4
+ - uses: actions/checkout@v5
 
 - name: Setup PHP
 uses: shivammathur/setup-php@v2
@@ -77,7 +77,7 @@ jobs:
 name: "Markdown link check"
 runs-on: ubuntu-latest
 steps:
- - uses: actions/checkout@v4
+ - uses: actions/checkout@v5
 - uses: gaurav-nelson/github-action-markdown-link-check@v1
 with:
 use-verbose-mode: 'yes'
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://patch-diff.githubusercontent.com/raw/alma-oss/php-coding-standard/pull/123.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://patch-diff.githubusercontent.com/raw/alma-oss/php-coding-standard/pull/123.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>