Should fix #131

Author: manuc66

JsonSubTypes/JsonSubTypes.csproj

@@ -28,7 +28,7 @@
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="10.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
   <ItemGroup>
     <Content Include="..\LICENSE">