diff --git a/algorithm-exercises-csharp/algorithm-exercises-csharp.csproj b/algorithm-exercises-csharp/algorithm-exercises-csharp.csproj
index 057b9a2..37e4380 100644
--- a/algorithm-exercises-csharp/algorithm-exercises-csharp.csproj
+++ b/algorithm-exercises-csharp/algorithm-exercises-csharp.csproj
@@ -28,8 +28,8 @@
 <privateassets>all</privateassets>
 </packagereference>
 <packagereference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
- <packagereference Include="MSTest.TestAdapter" Version="3.1.1" />
- <packagereference Include="MSTest.TestFramework" Version="3.1.1" />
+ <packagereference Include="MSTest.TestAdapter" Version="3.3.1" />
+ <packagereference Include="MSTest.TestFramework" Version="3.3.1" />
 </itemgroup>
 
 <itemgroup>
</div><div class="naked_ctrl">
<form action="/index.cgi/larger-text" 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/sir-gon/algorithm-exercises-csharp/pull/6.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/sir-gon/algorithm-exercises-csharp/pull/6.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">配色反転</option>
<option value="larger-text" selected="selected">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>