diff --git a/.github/workflows/app-tests.yaml b/.github/workflows/app-tests.yaml
index c5355f73..2c53e938 100644
--- a/.github/workflows/app-tests.yaml
+++ b/.github/workflows/app-tests.yaml
@@ -117,7 +117,7 @@ jobs:
 npm run build
 
 - name: Setup mypy cache
- uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a # v4.1.2
+ uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4.2.0
 with:
 path: ./.mypy_cache
 key: mypy${{ matrix.os }}-${{ matrix.python_version }}-${{ hashFiles('requirements-dev.txt', 'src/backend/requirements.txt', 'src/backend/pyproject.toml') }}
</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/Azure-Samples/rag-postgres-openai-python/pull/143.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/Azure-Samples/rag-postgres-openai-python/pull/143.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>