diff --git a/src/test/Assets/TestProjects/SharedFxLookupPortableApp/SharedFxLookupPortableApp.csproj b/src/test/Assets/TestProjects/SharedFxLookupPortableApp/SharedFxLookupPortableApp.csproj
index 83efdd4..8241e47 100644
--- a/src/test/Assets/TestProjects/SharedFxLookupPortableApp/SharedFxLookupPortableApp.csproj
+++ b/src/test/Assets/TestProjects/SharedFxLookupPortableApp/SharedFxLookupPortableApp.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
 </Project>