diff --git a/src/Microsoft.VisualStudio.SlowCheetah/Microsoft.VisualStudio.SlowCheetah.csproj b/src/Microsoft.VisualStudio.SlowCheetah/Microsoft.VisualStudio.SlowCheetah.csproj
index 3f5a6719..3592d66f 100644
--- a/src/Microsoft.VisualStudio.SlowCheetah/Microsoft.VisualStudio.SlowCheetah.csproj
+++ b/src/Microsoft.VisualStudio.SlowCheetah/Microsoft.VisualStudio.SlowCheetah.csproj
@@ -36,6 +36,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Internal.MicroBuild.VisualStudio" Version="2.0.66" />
     <PackageReference Include="Microsoft.Build.Utilities.Core" Version="14.3.0" />
     <PackageReference Include="Microsoft.VisualStudio.Jdt" Version="0.9.23" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="Microsoft.Web.Xdt" Version="3.1.0" />
     <PackageReference Include="Nerdbank.GitVersioning" Version="1.6.30" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.0.0" />