diff --git a/csharpcore/GildedRoseTests/GildedRoseTests.csproj b/csharpcore/GildedRoseTests/GildedRoseTests.csproj
index 93a44263..0db31f52 100644
--- a/csharpcore/GildedRoseTests/GildedRoseTests.csproj
+++ b/csharpcore/GildedRoseTests/GildedRoseTests.csproj
@@ -7,7 +7,9 @@
     </PropertyGroup>
 
     <ItemGroup>
+        <PackageReference Include="ApprovalTests" Version="5.8.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
+        <PackageReference Include="NUnit" Version="3.13.3" />
         <PackageReference Include="xunit" Version="2.4.1" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
         <PackageReference Include="coverlet.collector" Version="3.1.0" />