diff --git a/src/NHibernate.Test/NHibernate.Test.csproj b/src/NHibernate.Test/NHibernate.Test.csproj
index 8d1fe8bbcd7..c9b9408e14e 100644
--- a/src/NHibernate.Test/NHibernate.Test.csproj
+++ b/src/NHibernate.Test/NHibernate.Test.csproj
@@ -78,7 +78,7 @@
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)'=='net6.0'">
     <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="6.0.1" />
-    <PackageReference Include="System.CodeDom" Version="4.7.0" />
+    <PackageReference Include="System.CodeDom" Version="6.0.0" />
     <PackageReference Include="System.Data.SqlClient" Version="4.8.3" />
     <PackageReference Include="System.Data.OracleClient" Version="1.0.8" />
     <PackageReference Include="Oracle.ManagedDataAccess.Core" Version="2.19.120" />