diff --git a/build.yaml b/build.yaml
index 82a023d2694..6345331915a 100644
--- a/build.yaml
+++ b/build.yaml
@@ -2266,11 +2266,11 @@ vspackages:
   name: grpc.dependencies.zlib
   props: false
   redist: true
-  version: 1.2.8.9
+  version: 1.2.8.10
 - name: grpc.dependencies.openssl
   props: true
   redist: true
-  version: 1.0.2.3
+  version: 1.0.204.1
 - name: gflags
   props: false
   redist: false
diff --git a/vsprojects/nuget_package/README.md b/vsprojects/nuget_package/README.md
index 9fcbb5f85df..58573f76d46 100644
--- a/vsprojects/nuget_package/README.md
+++ b/vsprojects/nuget_package/README.md
@@ -4,6 +4,7 @@ gRPC Native Nuget package
 Prerequisites
 -------------
 Multiple versions of VS installed to be able to build all the targets:
+* Visual Studio 2015
 * Visual Studio 2013
 * Visual Studio 2010 (you might need SP1 to prevent LNK1123 error)
 
diff --git a/vsprojects/nuget_package/buildall.bat b/vsprojects/nuget_package/buildall.bat
index 71befb69207..65aac3aa685 100644
--- a/vsprojects/nuget_package/buildall.bat
+++ b/vsprojects/nuget_package/buildall.bat
@@ -1,5 +1,17 @@
 @echo off
 
+REM setlocal
+REM call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
+REM call :build x64 Release v140 || goto :eof
+REM call :build x64 Debug v140 || goto :eof
+REM endlocal
+
+setlocal
+call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" x86
+call :build Win32 Release v140 || goto :eof
+call :build Win32 Debug v140 || goto :eof
+endlocal
+
 REM setlocal
 REM call "C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\vcvarsall.bat" amd64
 REM call :build x64 Release v120 || goto :eof
diff --git a/vsprojects/nuget_package/grpc.native.csharp.nuspec b/vsprojects/nuget_package/grpc.native.csharp.nuspec
index 50b56e9e6e6..c151ae288a6 100644
--- a/vsprojects/nuget_package/grpc.native.csharp.nuspec
+++ b/vsprojects/nuget_package/grpc.native.csharp.nuspec
@@ -15,16 +15,22 @@
     <summary>Native library required by gRPC C#</summary>
     <tags>gRPC native</tags>
 	<dependencies>
-      <dependency id="grpc.dependencies.zlib.redist" version="1.2.8.9" />
-	  <dependency id="grpc.dependencies.openssl.redist" version="1.0.2.3" />
+      <dependency id="grpc.dependencies.zlib.redist" version="1.2.8.10" />
+	  <dependency id="grpc.dependencies.openssl.redist" version="1.0.204.1" />
     </dependencies>
   </metadata>
   <files>
-    <file src="grpc.native.csharp.props" target="\build\portable-net45\grpc.native.csharp.props" />
-    <file src="grpc.native.csharp.targets" target="\build\portable-net45\grpc.native.csharp.targets" />
+    <file src="grpc.native.csharp.props" target="\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.props" />
+    <file src="grpc.native.csharp.targets" target="\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" />
+    
+    <!-- VS 2010 -->
     <file src="output\v100\Win32\Release\grpc_csharp_ext.dll" target="/build/native/bin/v100\Win32\Release\grpc_csharp_ext.dll" />
-    <file src="output\v120\Win32\Release\grpc_csharp_ext.dll" target="/build/native/bin/v120\Win32\Release\grpc_csharp_ext.dll" />
     <file src="output\v100\Win32\Debug\grpc_csharp_ext.dll" target="/build/native/bin/v100\Win32\Debug\grpc_csharp_ext.dll" />
+    <!-- VS 2013 -->
     <file src="output\v120\Win32\Debug\grpc_csharp_ext.dll" target="/build/native/bin/v120\Win32\Debug\grpc_csharp_ext.dll" />
+    <file src="output\v120\Win32\Release\grpc_csharp_ext.dll" target="/build/native/bin/v120\Win32\Release\grpc_csharp_ext.dll" />
+    <!-- VS 2015 -->
+    <file src="output\v140\Win32\Debug\grpc_csharp_ext.dll" target="/build/native/bin/v140\Win32\Debug\grpc_csharp_ext.dll" />
+    <file src="output\v140\Win32\Release\grpc_csharp_ext.dll" target="/build/native/bin/v140\Win32\Release\grpc_csharp_ext.dll" />
   </files>
 </package>
diff --git a/vsprojects/nuget_package/grpc.native.csharp.props b/vsprojects/nuget_package/grpc.native.csharp.props
index 63d23be3dad..e8b1ab51da0 100644
--- a/vsprojects/nuget_package/grpc.native.csharp.props
+++ b/vsprojects/nuget_package/grpc.native.csharp.props
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
-    <!-- Whether or not copy native dependencies to output directory after building -->
+    <!-- Whether or not to copy native dependencies to output directory after building -->
     <CopyNativeDependencies Condition=" '$(CopyNativeDependencies)' == '' ">true</CopyNativeDependencies>
     
 	<!-- Set defaults for native dependencies if not already set. Properties can be overriden in the project files. -->