diff --git a/src/NHibernate.Test/NHibernate.Test.csproj b/src/NHibernate.Test/NHibernate.Test.csproj
index 847687acb9..187f158b36 100644
--- a/src/NHibernate.Test/NHibernate.Test.csproj
+++ b/src/NHibernate.Test/NHibernate.Test.csproj
@@ -67,7 +67,7 @@
 <packagereference Include="NUnit3TestAdapter" Version="4.6.0" />
 <packagereference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
 <packagereference Include="FirebirdSql.Data.FirebirdClient" Version="9.1.1" />
- <packagereference Include="Npgsql" Version="8.0.3" />
+ <packagereference Include="Npgsql" Version="9.0.3" />
 <packagereference Include="MySql.Data" Version="8.0.30" />
 </itemgroup>
 <itemgroup Condition="$(NhNetFx)">
</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/nhibernate/nhibernate-core/pull/3695.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/nhibernate/nhibernate-core/pull/3695.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>