diff --git a/requirements.txt b/requirements.txt
index 340e515..b4c8ac3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 pandas==1.0.3
-requests==2.22.0
+requests==2.31.0
 ibapi==9.76.1
</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://github.com/PythonForForex/Interactive-brokers-python-api-guide/compare/master...dependabot/pip/requests-2.31.0.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://github.com/PythonForForex/Interactive-brokers-python-api-guide/compare/master...dependabot/pip/requests-2.31.0.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>