diff --git a/DisplayMagicianTests/DisplayMagicianTests.csproj b/DisplayMagicianTests/DisplayMagicianTests.csproj
index 353d2c4..f6f6997 100644
--- a/DisplayMagicianTests/DisplayMagicianTests.csproj
+++ b/DisplayMagicianTests/DisplayMagicianTests.csproj
@@ -13,6 +13,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="nunit" Version="3.13.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />