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)">