diff --git a/TestAssets/TestPackages/dotnet-desktop-and-portable/dotnet-desktop-and-portable.csproj b/TestAssets/TestPackages/dotnet-desktop-and-portable/dotnet-desktop-and-portable.csproj
index 8a1e7d530..68045ef60 100644
--- a/TestAssets/TestPackages/dotnet-desktop-and-portable/dotnet-desktop-and-portable.csproj
+++ b/TestAssets/TestPackages/dotnet-desktop-and-portable/dotnet-desktop-and-portable.csproj
@@ -19,6 +19,10 @@
     </PackageReference>
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="NewtonSoft.Json" Version="9.0.1" />
+  </ItemGroup>
+
   <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
     <Reference Include="System" />
     <Reference Include="Microsoft.CSharp" />