diff --git a/Src/Notion.Client/Notion.Client.csproj b/Src/Notion.Client/Notion.Client.csproj
index 2a6555c..2331ca3 100644
--- a/Src/Notion.Client/Notion.Client.csproj
+++ b/Src/Notion.Client/Notion.Client.csproj
@@ -20,7 +20,7 @@
 <includeassets>runtime; build; native; contentfiles; analyzers; buildtransitive</includeassets>
 </packagereference>
 <packagereference Include="Newtonsoft.Json" Version="13.0.2" />
- <packagereference Include="JsonSubTypes" Version="1.8.0" />
+ <packagereference Include="JsonSubTypes" Version="2.0.1" />
 	 <packagereference Include="Microsoft.Extensions.Logging.Abstractions" Version="5.0.0" />
 <packagereference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="5.0.0" />
 </itemgroup>
</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/notion-dotnet/notion-sdk-net/pull/441.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/notion-dotnet/notion-sdk-net/pull/441.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>