diff --git a/requirements.txt b/requirements.txt
index b302174..7da3338 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,4 @@ pyparsing==3.0.8; python_full_version>= "3.6.8" and python_version>= "3.6"
 python-dotenv==0.20.0; python_version>= "3.5"
 redis==4.2.2; python_version>= "3.6"
 win32-setctime==1.1.0; sys_platform == "win32" and python_version>= "3.5"
-wrapt==1.14.0; python_version>= "3.6" and python_full_version < "3.0.0" or python_full_version>= "3.5.0" and python_version>= "3.6"
+wrapt==1.15.0; python_version>= "3.6" and python_full_version < "3.0.0" or python_full_version>= "3.5.0" and python_version>= "3.6"
</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/hackersandslackers/redis-python-tutorial/pull/42.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/hackersandslackers/redis-python-tutorial/pull/42.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>