diff --git a/src/Orchard.Web/Modules/Orchard.Workflows/Orchard.Workflows.csproj b/src/Orchard.Web/Modules/Orchard.Workflows/Orchard.Workflows.csproj
index 7ee84ed835e..f9001b5e654 100644
--- a/src/Orchard.Web/Modules/Orchard.Workflows/Orchard.Workflows.csproj
+++ b/src/Orchard.Web/Modules/Orchard.Workflows/Orchard.Workflows.csproj
@@ -70,7 +70,7 @@
       <RequiredTargetFramework>3.5</RequiredTargetFramework>
     </Reference>
     <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="System.Net.Http, Version=4.2.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
+    <Reference Include="System.Net.Http" />
     <Reference Include="System.Web.ApplicationServices" />
     <Reference Include="System.Web.DynamicData" />
     <Reference Include="System.Web.Entity" />
@@ -316,4 +316,4 @@
     </PropertyGroup>
     <Error Condition="!Exists('..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.1\build\net46\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.1\build\net46\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props'))" />
   </Target>
-</Project>
+</Project>
\ No newline at end of file