diff --git a/src/Avalonia.Samples/Testing/TestableApp.Headless.NUnit/TestableApp.Headless.NUnit.csproj b/src/Avalonia.Samples/Testing/TestableApp.Headless.NUnit/TestableApp.Headless.NUnit.csproj
index 707de1d..aab0f75 100644
--- a/src/Avalonia.Samples/Testing/TestableApp.Headless.NUnit/TestableApp.Headless.NUnit.csproj
+++ b/src/Avalonia.Samples/Testing/TestableApp.Headless.NUnit/TestableApp.Headless.NUnit.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Avalonia.Headless.NUnit" Version="11.0.0" />
+    <PackageReference Include="Avalonia.Headless.NUnit" Version="11.2.3" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0" />
     <PackageReference Include="NUnit" Version="3.13.3" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.2.1" />