diff --git a/Build/Newtonsoft.Json.nuspec b/Build/Newtonsoft.Json.nuspec
index 12c078e5..62c3147c 100644
--- a/Build/Newtonsoft.Json.nuspec
+++ b/Build/Newtonsoft.Json.nuspec
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
   <metadata>
     <id>Newtonsoft.Json</id>
@@ -11,5 +11,34 @@
     <iconUrl>http://www.newtonsoft.com/content/images/nugeticon.png</iconUrl>
     <licenseUrl>https://raw.github.com/JamesNK/Newtonsoft.Json/master/LICENSE.md</licenseUrl>
     <tags>json</tags>
+    <dependencies>      
+      <group targetFramework="net2" />
+      <group targetFramework="sl5" />
+      <group targetFramework="portable-net40+sl5+wp80+win8+wpa81" />
+      <group targetFramework="dotnet">
+        <dependency id="Microsoft.CSharp" version="4.0.0" />
+        <dependency id="System.Collections" version="4.0.0" />
+        <dependency id="System.Diagnostics.Debug" version="4.0.0" />
+        <dependency id="System.Diagnostics.Tools" version="4.0.0" />
+        <dependency id="System.Dynamic.Runtime" version="4.0.0" />
+        <dependency id="System.Globalization" version="4.0.0" />
+        <dependency id="System.IO" version="4.0.0" />
+        <dependency id="System.Linq" version="4.0.0" />
+        <dependency id="System.Linq.Expressions" version="4.0.0" />
+        <dependency id="System.ObjectModel" version="4.0.0" />
+        <dependency id="System.Reflection" version="4.0.0" />
+        <dependency id="System.Reflection.Extensions" version="4.0.0" />
+        <dependency id="System.Runtime" version="4.0.0" />
+        <dependency id="System.Runtime.Extensions" version="4.0.0" />
+        <dependency id="System.Runtime.Serialization.Primitives" version="4.0.0" />
+        <dependency id="System.Text.Encoding" version="4.0.0" />
+        <dependency id="System.Text.Encoding.Extensions" version="4.0.0" />
+        <dependency id="System.Text.RegularExpressions" version="4.0.0" />
+        <dependency id="System.Threading" version="4.0.0" />
+        <dependency id="System.Threading.Tasks" version="4.0.0" />
+        <dependency id="System.Xml.ReaderWriter" version="4.0.0" />
+        <dependency id="System.Xml.XDocument" version="4.0.0" />
+      </group>
+    </dependencies>
   </metadata>
 </package>
\ No newline at end of file
diff --git a/Build/build.ps1 b/Build/build.ps1
index 948c9eb1..a52875e0 100644
--- a/Build/build.ps1
+++ b/Build/build.ps1
@@ -21,7 +21,8 @@
   $workingDir = "$baseDir\$workingName"
   $builds = @(
     @{Name = "Newtonsoft.Json"; TestsName = "Newtonsoft.Json.Tests"; TestsFunction = "NUnitTests"; Constants=""; FinalDir="Net45"; NuGetDir = "net45"; Framework="net-4.0"; Sign=$true},
-    @{Name = "Newtonsoft.Json.Portable"; TestsName = "Newtonsoft.Json.Tests.Portable"; TestsFunction = "NUnitTests"; Constants="PORTABLE"; FinalDir="Portable"; NuGetDir = "portable-net45+wp80+win8+wpa81+dnxcore50"; Framework="net-4.0"; Sign=$true},
+    @{Name = "Newtonsoft.Json.Portable"; TestsName = "Newtonsoft.Json.Tests.Portable"; TestsFunction = "NUnitTests"; Constants="PORTABLE"; FinalDir="Portable"; NuGetDir = "portable-net45+wp80+win8+wpa81"; Framework="net-4.0"; Sign=$true},
+    @{Name = "Newtonsoft.Json.Portable"; TestsName = "Newtonsoft.Json.Tests.Portable"; TestsFunction = "NUnitTests"; Constants="PORTABLE"; FinalDir="dotnet"; NuGetDir = "dotnet"; Framework="net-4.0"; Sign=$true},
     @{Name = "Newtonsoft.Json.Portable40"; TestsName = "Newtonsoft.Json.Tests.Portable40"; TestsFunction = "NUnitTests"; Constants="PORTABLE40"; FinalDir="Portable40"; NuGetDir = "portable-net40+sl5+wp80+win8+wpa81"; Framework="net-4.0"; Sign=$true},
     #@{Name = $null; TestsName = "Newtonsoft.Json.Tests.DnxCore50"; TestsFunction = "CoreClrTests"; Constants="DNXCORE50"; FinalDir="DNXCORE50"; NuGetDir = $null; Framework=$null; Sign=$null},
     @{Name = "Newtonsoft.Json.Net40"; TestsName = "Newtonsoft.Json.Tests.Net40"; TestsFunction = "NUnitTests"; Constants="NET40"; FinalDir="Net40"; NuGetDir = "net40"; Framework="net-4.0"; Sign=$true},
diff --git a/Src/Newtonsoft.Json/Newtonsoft.Json.Portable.csproj b/Src/Newtonsoft.Json/Newtonsoft.Json.Portable.csproj
index 13cd89d0..d2541bf8 100644
--- a/Src/Newtonsoft.Json/Newtonsoft.Json.Portable.csproj
+++ b/Src/Newtonsoft.Json/Newtonsoft.Json.Portable.csproj
@@ -13,6 +13,8 @@
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <MinimumVisualStudioVersion>11.0</MinimumVisualStudioVersion>
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -38,6 +40,10 @@
     <RunCodeAnalysis>true</RunCodeAnalysis>
     <CodeAnalysisRuleSet>Newtonsoft.Json.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
+  <ItemGroup>
+    <!-- example NuSpec file that must be specified -->
+    <NuSpecFile Include="$(SolutionDir)..\build\Newtonsoft.Json.nuspec" />
+  </ItemGroup>
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -239,7 +245,17 @@
     <Compile Include="Utilities\ValidationUtils.cs" />
     <Compile Include="WriteState.cs" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.Newtonsoft.Json.Portable.config" />
+  </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
+  <Import Project="..\packages\NuSpec.ReferenceGenerator.1.0.1\build\portable-net45+win+wpa81+wp80+MonoAndroid10+xamarinios10+MonoTouch10\NuSpec.ReferenceGenerator.targets" Condition="Exists('..\packages\NuSpec.ReferenceGenerator.1.0.1\build\portable-net45+win+wpa81+wp80+MonoAndroid10+xamarinios10+MonoTouch10\NuSpec.ReferenceGenerator.targets')" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\NuSpec.ReferenceGenerator.1.0.1\build\portable-net45+win+wpa81+wp80+MonoAndroid10+xamarinios10+MonoTouch10\NuSpec.ReferenceGenerator.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NuSpec.ReferenceGenerator.1.0.1\build\portable-net45+win+wpa81+wp80+MonoAndroid10+xamarinios10+MonoTouch10\NuSpec.ReferenceGenerator.targets'))" />
+  </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
diff --git a/Src/Newtonsoft.Json/packages.Newtonsoft.Json.Portable.config b/Src/Newtonsoft.Json/packages.Newtonsoft.Json.Portable.config
new file mode 100644
index 00000000..76311133
--- /dev/null
+++ b/Src/Newtonsoft.Json/packages.Newtonsoft.Json.Portable.config
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="NuSpec.ReferenceGenerator" version="1.0.1" targetFramework="portable45-net45+win8+wp8+wpa81" />
+</packages>
\ No newline at end of file