diff --git a/samples/Aura.UI.Gallery.NetCore/Aura.UI.Gallery.NetCore.csproj b/samples/Aura.UI.Gallery.NetCore/Aura.UI.Gallery.NetCore.csproj
index d07962c..e3db958 100644
--- a/samples/Aura.UI.Gallery.NetCore/Aura.UI.Gallery.NetCore.csproj
+++ b/samples/Aura.UI.Gallery.NetCore/Aura.UI.Gallery.NetCore.csproj
@@ -4,12 +4,15 @@
     <TargetFramework>net8.0</TargetFramework>
     <Nullable>enable</Nullable>
     <RootNamespace>Aura.UI.Gallery.NetCore</RootNamespace>
+    <LangVersion>12</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
+    <PackageReference Include="Avalonia" Version="11.2.2" />
+    <PackageReference Include="Avalonia.Diagnostics" Version="11.2.2" />
     <PackageReference Include="Avalonia.ReactiveUI" Version="11.2.2" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Aura.UI.Gallery\Aura.UI.Gallery.csproj" />
   </ItemGroup>
-</Project>
+</Project>
\ No newline at end of file