Index: Src/GoogleApis.Auth.Mvc4/GoogleApis.Auth.Mvc4.csproj
===================================================================
--- a/Src/GoogleApis.Auth.Mvc4/GoogleApis.Auth.Mvc4.csproj
+++ b/Src/GoogleApis.Auth.Mvc4/GoogleApis.Auth.Mvc4.csproj
@@ -46,31 +46,30 @@
       <Private>True</Private>
       <HintPath>..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>
     </Reference>
-    <Reference Include="Newtonsoft.Json">
-      <HintPath>..\..\packages\Newtonsoft.Json.6.0.4\lib\net40\Newtonsoft.Json.dll</HintPath>
-    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.IO">
       <HintPath>..\..\packages\Microsoft.Bcl.1.1.9\lib\net40\System.IO.dll</HintPath>
     </Reference>
     <Reference Include="System.Net" />
-    <Reference Include="System.Net.Http, Version=2.2.22.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+    <Reference Include="System.Net.Http, Version=2.2.28.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\..\packages\Microsoft.Net.Http.2.2.22\lib\net40\System.Net.Http.dll</HintPath>
+      <HintPath>..\..\packages\Microsoft.Net.Http.2.2.28\lib\net40\System.Net.Http.dll</HintPath>
     </Reference>
-    <Reference Include="System.Net.Http.Extensions">
-      <HintPath>..\..\packages\Microsoft.Net.Http.2.2.22\lib\net40\System.Net.Http.Extensions.dll</HintPath>
+    <Reference Include="System.Net.Http.Extensions, Version=2.2.28.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\..\packages\Microsoft.Net.Http.2.2.28\lib\net40\System.Net.Http.Extensions.dll</HintPath>
     </Reference>
     <Reference Include="System.Net.Http.Formatting, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\packages\Microsoft.AspNet.WebApi.Client.4.0.30506.0\lib\net40\System.Net.Http.Formatting.dll</HintPath>
     </Reference>
-    <Reference Include="System.Net.Http.Primitives">
-      <HintPath>..\..\packages\Microsoft.Net.Http.2.2.22\lib\net40\System.Net.Http.Primitives.dll</HintPath>
+    <Reference Include="System.Net.Http.Primitives, Version=2.2.28.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\..\packages\Microsoft.Net.Http.2.2.28\lib\net40\System.Net.Http.Primitives.dll</HintPath>
     </Reference>
-    <Reference Include="System.Net.Http.WebRequest, Version=2.2.22.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+    <Reference Include="System.Net.Http.WebRequest, Version=2.2.28.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\..\packages\Microsoft.Net.Http.2.2.22\lib\net40\System.Net.Http.WebRequest.dll</HintPath>
+      <HintPath>..\..\packages\Microsoft.Net.Http.2.2.28\lib\net40\System.Net.Http.WebRequest.dll</HintPath>
     </Reference>
     <Reference Include="System.Runtime">
       <HintPath>..\..\packages\Microsoft.Bcl.1.1.9\lib\net40\System.Runtime.dll</HintPath>