diff --git a/src/csharp/Grpc.Auth/project.json b/src/csharp/Grpc.Auth/project.json
index 513325f749186b8d3c5946ad6a121a8609bcda8e..25579982a9d6314ae2772e185350c656d0df691b 100644
--- a/src/csharp/Grpc.Auth/project.json
+++ b/src/csharp/Grpc.Auth/project.json
@@ -1,20 +1,17 @@
 {
   "version": "0.14.0-anexperiment",
-  
   "title": "gRPC C# Auth",
-  "summary": "Auth library for C# implementation of gRPC - an RPC library and framework",
-  "description": "Auth library for C# implementation of gRPC - an RPC library and framework. See project site for more info.",
-  "authors": ["Google Inc."],
-  "owners": ["grpc-packages"],
-  "licenseUrl": "https://github.com/grpc/grpc/blob/master/LICENSE",
-  "projectUrl": "https://github.com/grpc/grpc",
-  "requireLicenseAcceptance": false,
+  "authors": [ "Google Inc." ],
   "copyright": "Copyright 2015, Google Inc.",
-  "tags": ["gRPC RPC Protocol HTTP/2 Auth OAuth2"],
-  
-  "compile": "**/*.cs",
-  "resourceFiles": ["../../../etc/roots.pem"],
-
+  "packOptions": {
+    "summary": "Auth library for C# implementation of gRPC - an RPC library and framework",
+    "description": "Auth library for C# implementation of gRPC - an RPC library and framework. See project site for more info.",
+    "owners": [ "grpc-packages" ],
+    "licenseUrl": "https://github.com/grpc/grpc/blob/master/LICENSE",
+    "projectUrl": "https://github.com/grpc/grpc",
+    "requireLicenseAcceptance": false,
+    "tags": [ "gRPC RPC Protocol HTTP/2 Auth OAuth2" ],
+  },
   "dependencies": {
     "Grpc.Core": "0.14.0-anexperiment",
     "Google.Apis.Auth": "1.11.1"
@@ -28,7 +25,7 @@
       "dependencies": {
         "Microsoft.CSharp": "4.0.1-beta-23516",
         "Microsoft.NETCore.Portable.Compatibility": "1.0.1-beta-23516",
-        "System.Threading.Tasks":  "4.0.11-beta-23516"
+        "System.Threading.Tasks": "4.0.11-beta-23516"
       }
     }
   }
diff --git a/src/csharp/Grpc.Core.Tests/project.json b/src/csharp/Grpc.Core.Tests/project.json
index 0c5d9354358ae4c58fa97aea5082a48467f97fef..dc90e04ccfb492bc54c925a91cabfab0dea300d0 100644
--- a/src/csharp/Grpc.Core.Tests/project.json
+++ b/src/csharp/Grpc.Core.Tests/project.json
@@ -1,13 +1,17 @@
 {
-  "compile": "**/*.cs",
-  "compilationOptions": {
+  "buildOptions": {
+    "compile": "**/*.cs",
+    "copyToOutput": {
+      "mappings": {
+        "nativelibs/windows_x64/grpc_csharp_ext.dll": "../../../vsprojects/x64/Debug/grpc_csharp_ext.dll",
+        "nativelibs/windows_x86/grpc_csharp_ext.dll": "../../../vsprojects/Debug/grpc_csharp_ext.dll"
+      }
+    },
     "emitEntryPoint": true
   },
-
-  "content": "../nativelibs/**",
-
   "dependencies": {
     "Grpc.Core": "0.14.0-anexperiment",
+    "Newtonsoft.Json": "8.0.3",
     "NUnit": "3.2.0",
     "NUnitLite": "3.2.0-*"
   },
diff --git a/src/csharp/Grpc.Core/project.json b/src/csharp/Grpc.Core/project.json
index 8aece57856cc88af813a02e9cc4cf47d6dba2e6e..a916bbd09ab71c47776b273af3bcbfe69b841a90 100644
--- a/src/csharp/Grpc.Core/project.json
+++ b/src/csharp/Grpc.Core/project.json
@@ -1,32 +1,30 @@
 {
   "version": "0.14.0-anexperiment",
-
   "title": "gRPC C# Core",
-  "summary": "Core C# implementation of gRPC - an RPC library and framework",
-  "description": "Core C# implementation of gRPC - an RPC library and framework. See project site for more info.",
   "authors": [ "Google Inc." ],
-  "owners": [ "grpc-packages" ],
-  "licenseUrl": "https://github.com/grpc/grpc/blob/master/LICENSE",
-  "projectUrl": "https://github.com/grpc/grpc",
-  "requireLicenseAcceptance": false,
   "copyright": "Copyright 2015, Google Inc.",
-  "tags": [ "gRPC RPC Protocol HTTP/2" ],
-
-  "compile": "**/*.cs",
-  "resourceFiles": [ "../../../etc/roots.pem" ],
-
-  "content": "../nativelibs/**",
-
-  "packInclude": {
-    "build/net45/": "Grpc.Core.targets",
-    "build/native/bin/windows_x86/": "../nativelibs/windows_x86/grpc_csharp_ext.dll",
-    "build/native/bin/windows_x64/": "../nativelibs/windows_x64/grpc_csharp_ext.dll",
-    "build/native/bin/linux_x86/": "../nativelibs/linux_x86/libgrpc_csharp_ext.so",
-    "build/native/bin/linux_x64/": "../nativelibs/linux_x64/libgrpc_csharp_ext.so",
-    "build/native/bin/macosx_x86/": "../nativelibs/macosx_x86/libgrpc_csharp_ext.dylib",
-    "build/native/bin/macosx_x64/": "../nativelibs/macosx_x64/libgrpc_csharp_ext.dylib"
+  "packOptions": {
+    "summary": "Core C# implementation of gRPC - an RPC library and framework",
+    "description": "Core C# implementation of gRPC - an RPC library and framework. See project site for more info.",
+    "owners": [ "grpc-packages" ],
+    "licenseUrl": "https://github.com/grpc/grpc/blob/master/LICENSE",
+    "projectUrl": "https://github.com/grpc/grpc",
+    "requireLicenseAcceptance": false,
+    "tags": [ "gRPC RPC Protocol HTTP/2" ],
+    "files": {
+      "build/net45/": "Grpc.Core.targets",
+      "build/native/bin/windows_x86/": "../nativelibs/windows_x86/grpc_csharp_ext.dll",
+      "build/native/bin/windows_x64/": "../nativelibs/windows_x64/grpc_csharp_ext.dll",
+      "build/native/bin/linux_x86/": "../nativelibs/linux_x86/libgrpc_csharp_ext.so",
+      "build/native/bin/linux_x64/": "../nativelibs/linux_x64/libgrpc_csharp_ext.so",
+      "build/native/bin/macosx_x86/": "../nativelibs/macosx_x86/libgrpc_csharp_ext.dylib",
+      "build/native/bin/macosx_x64/": "../nativelibs/macosx_x64/libgrpc_csharp_ext.dylib"
+    }
+  },
+  "buildOptions": {
+    "compile": "**/*.cs",
+    "embed": [ "../../../etc/roots.pem" ]
   },
-
   "dependencies": {
     "Ix-Async": "1.2.5"
   },
diff --git a/src/csharp/Grpc.Examples.MathClient/project.json b/src/csharp/Grpc.Examples.MathClient/project.json
index 67af09721ce796737be2ad2e333fbd223a9412ee..4abf8a5e34fb6e0c4d4b175e2d5fe9125780be34 100644
--- a/src/csharp/Grpc.Examples.MathClient/project.json
+++ b/src/csharp/Grpc.Examples.MathClient/project.json
@@ -1,11 +1,14 @@
 {
-  "compile": "**/*.cs",
-  "compilationOptions": {
+  "buildOptions": {
+    "compile": "**/*.cs",
+    "copyToOutput": {
+      "mappings": {
+        "nativelibs/windows_x64/grpc_csharp_ext.dll": "../../../vsprojects/x64/Debug/grpc_csharp_ext.dll",
+        "nativelibs/windows_x86/grpc_csharp_ext.dll": "../../../vsprojects/Debug/grpc_csharp_ext.dll"
+      }
+    },
     "emitEntryPoint": true
   },
-
-  "content": "../nativelibs/**",
-
   "dependencies": {
     "Grpc.Examples": "1.0.0"
   },
diff --git a/src/csharp/Grpc.Examples.MathServer/project.json b/src/csharp/Grpc.Examples.MathServer/project.json
index 67af09721ce796737be2ad2e333fbd223a9412ee..4abf8a5e34fb6e0c4d4b175e2d5fe9125780be34 100644
--- a/src/csharp/Grpc.Examples.MathServer/project.json
+++ b/src/csharp/Grpc.Examples.MathServer/project.json
@@ -1,11 +1,14 @@
 {
-  "compile": "**/*.cs",
-  "compilationOptions": {
+  "buildOptions": {
+    "compile": "**/*.cs",
+    "copyToOutput": {
+      "mappings": {
+        "nativelibs/windows_x64/grpc_csharp_ext.dll": "../../../vsprojects/x64/Debug/grpc_csharp_ext.dll",
+        "nativelibs/windows_x86/grpc_csharp_ext.dll": "../../../vsprojects/Debug/grpc_csharp_ext.dll"
+      }
+    },
     "emitEntryPoint": true
   },
-
-  "content": "../nativelibs/**",
-
   "dependencies": {
     "Grpc.Examples": "1.0.0"
   },
diff --git a/src/csharp/Grpc.Examples.Tests/project.json b/src/csharp/Grpc.Examples.Tests/project.json
index e61aa65abfc5831c3aeecd46d819e39acd320a77..bd74812c1535dd1c946ca50ff2d8e8d4898e8da9 100644
--- a/src/csharp/Grpc.Examples.Tests/project.json
+++ b/src/csharp/Grpc.Examples.Tests/project.json
@@ -1,11 +1,14 @@
 {
-  "compile": "**/*.cs",
-  "compilationOptions": {
+  "buildOptions": {
+    "compile": "**/*.cs",
+    "copyToOutput": {
+      "mappings": {
+        "nativelibs/windows_x64/grpc_csharp_ext.dll": "../../../vsprojects/x64/Debug/grpc_csharp_ext.dll",
+        "nativelibs/windows_x86/grpc_csharp_ext.dll": "../../../vsprojects/Debug/grpc_csharp_ext.dll"
+      }
+    },
     "emitEntryPoint": true
   },
-
-  "content": "../nativelibs/**",
-
   "dependencies": {
     "Grpc.Examples": "1.0.0",
     "NUnit": "3.2.0",
diff --git a/src/csharp/Grpc.Examples/project.json b/src/csharp/Grpc.Examples/project.json
index f259459a71756079faa048672d365135896e65ce..e2b4c10422f52d41a45bd92522681994ff4aa428 100644
--- a/src/csharp/Grpc.Examples/project.json
+++ b/src/csharp/Grpc.Examples/project.json
@@ -1,14 +1,19 @@
 {
-  "compile": "**/*.cs",
-
-  "content": "../nativelibs/**",
+  "buildOptions": {
+    "compile": "**/*.cs"
+  },
 
   "dependencies": {
     "Grpc.Core": "0.0.1",
     "Google.Protobuf": "3.0.0-beta3"
   },
   "frameworks": {
-    "net45": { },
+    "net45": {
+      "frameworkAssemblies": {
+        "System.Runtime": "",
+        "System.IO": ""
+      }
+    },
     "dotnet54": {
       "imports": [
         "portable-net45"
diff --git a/src/csharp/Grpc.HealthCheck.Tests/project.json b/src/csharp/Grpc.HealthCheck.Tests/project.json
index 5ecb17c9671294f8b477baf8ba621fab660101aa..248a1324f60b6e9e191c435a83f53cd062d5bdd3 100644
--- a/src/csharp/Grpc.HealthCheck.Tests/project.json
+++ b/src/csharp/Grpc.HealthCheck.Tests/project.json
@@ -1,13 +1,16 @@
 {
-  "compile": "**/*.cs",
-  "compilationOptions": {
+  "buildOptions": {
+    "compile": "**/*.cs",
+    "copyToOutput": {
+      "mappings": {
+        "nativelibs/windows_x64/grpc_csharp_ext.dll": "../../../vsprojects/x64/Debug/grpc_csharp_ext.dll",
+        "nativelibs/windows_x86/grpc_csharp_ext.dll": "../../../vsprojects/Debug/grpc_csharp_ext.dll"
+      }
+    },
     "emitEntryPoint": true
   },
-
-  "content": "../nativelibs/**",
-
   "dependencies": {
-    "Grpc.HealthCheck": "1.0.0",
+    "Grpc.HealthCheck": "0.0.1",
     "NUnit": "3.2.0",
     "NUnitLite": "3.2.0-*"
   },
diff --git a/src/csharp/Grpc.HealthCheck/project.json b/src/csharp/Grpc.HealthCheck/project.json
index 220224819f850b62eb44f690fa7d085b22a570b8..ad42df595d4f6f3b32ae96cba09b446649635503 100644
--- a/src/csharp/Grpc.HealthCheck/project.json
+++ b/src/csharp/Grpc.HealthCheck/project.json
@@ -1,25 +1,31 @@
 {
   "version": "0.14.0-anexperiment",
-
   "title": "gRPC C# Healthchecking",
-  "summary": "Implementation of gRPC health service",
-  "description": "Example implementation of grpc.health.v1 service that can be used for health-checking.",
   "authors": [ "Google Inc." ],
-  "owners": [ "grpc-packages" ],
-  "licenseUrl": "https://github.com/grpc/grpc/blob/master/LICENSE",
-  "projectUrl": "https://github.com/grpc/grpc",
-  "requireLicenseAcceptance": false,
   "copyright": "Copyright 2015, Google Inc.",
-  "tags": [ "gRPC health check" ],
-
-  "compile": "**/*.cs",
-
+  "packOptions": {
+    "summary": "Implementation of gRPC health service",
+    "description": "Example implementation of grpc.health.v1 service that can be used for health-checking.",
+    "owners": [ "grpc-packages" ],
+    "licenseUrl": "https://github.com/grpc/grpc/blob/master/LICENSE",
+    "projectUrl": "https://github.com/grpc/grpc",
+    "requireLicenseAcceptance": false,
+    "tags": [ "gRPC health check" ]
+  },
+  "buildOptions": {
+    "compile": "**/*.cs"
+  },
   "dependencies": {
     "Grpc.Core": "0.14.0-anexperiment",
     "Google.Protobuf": "3.0.0-beta3"
   },
   "frameworks": {
-    "net45": { },
+    "net45": {
+      "frameworkAssemblies": {
+        "System.Runtime": "",
+        "System.IO": ""
+      }
+    },
     "dotnet54": {
       "imports": [
         "portable-net45"
diff --git a/src/csharp/Grpc.IntegrationTesting.Client/project.json b/src/csharp/Grpc.IntegrationTesting.Client/project.json
index e023a9815b1ddf732ff78ef92af393adbe5330b2..6ad74d59984d2291a7b7080f587bebd696ff2610 100644
--- a/src/csharp/Grpc.IntegrationTesting.Client/project.json
+++ b/src/csharp/Grpc.IntegrationTesting.Client/project.json
@@ -1,11 +1,14 @@
 {
-  "compile": "**/*.cs",
-  "compilationOptions": {
+  "buildOptions": {
+    "compile": "**/*.cs",
+    "copyToOutput": {
+      "mappings": {
+        "nativelibs/windows_x64/grpc_csharp_ext.dll": "../../../vsprojects/x64/Debug/grpc_csharp_ext.dll",
+        "nativelibs/windows_x86/grpc_csharp_ext.dll": "../../../vsprojects/Debug/grpc_csharp_ext.dll"
+      }
+    },
     "emitEntryPoint": true
   },
-
-  "content": "../nativelibs/**",
-
   "dependencies": {
     "Grpc.IntegrationTesting": "1.0.0"
   },
diff --git a/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json b/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json
index e023a9815b1ddf732ff78ef92af393adbe5330b2..6ad74d59984d2291a7b7080f587bebd696ff2610 100644
--- a/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json
+++ b/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json
@@ -1,11 +1,14 @@
 {
-  "compile": "**/*.cs",
-  "compilationOptions": {
+  "buildOptions": {
+    "compile": "**/*.cs",
+    "copyToOutput": {
+      "mappings": {
+        "nativelibs/windows_x64/grpc_csharp_ext.dll": "../../../vsprojects/x64/Debug/grpc_csharp_ext.dll",
+        "nativelibs/windows_x86/grpc_csharp_ext.dll": "../../../vsprojects/Debug/grpc_csharp_ext.dll"
+      }
+    },
     "emitEntryPoint": true
   },
-
-  "content": "../nativelibs/**",
-
   "dependencies": {
     "Grpc.IntegrationTesting": "1.0.0"
   },
diff --git a/src/csharp/Grpc.IntegrationTesting.Server/project.json b/src/csharp/Grpc.IntegrationTesting.Server/project.json
index e023a9815b1ddf732ff78ef92af393adbe5330b2..6ad74d59984d2291a7b7080f587bebd696ff2610 100644
--- a/src/csharp/Grpc.IntegrationTesting.Server/project.json
+++ b/src/csharp/Grpc.IntegrationTesting.Server/project.json
@@ -1,11 +1,14 @@
 {
-  "compile": "**/*.cs",
-  "compilationOptions": {
+  "buildOptions": {
+    "compile": "**/*.cs",
+    "copyToOutput": {
+      "mappings": {
+        "nativelibs/windows_x64/grpc_csharp_ext.dll": "../../../vsprojects/x64/Debug/grpc_csharp_ext.dll",
+        "nativelibs/windows_x86/grpc_csharp_ext.dll": "../../../vsprojects/Debug/grpc_csharp_ext.dll"
+      }
+    },
     "emitEntryPoint": true
   },
-
-  "content": "../nativelibs/**",
-
   "dependencies": {
     "Grpc.IntegrationTesting": "1.0.0"
   },
diff --git a/src/csharp/Grpc.IntegrationTesting/project.json b/src/csharp/Grpc.IntegrationTesting/project.json
index 93cabf21bcff402de5cde1a6acda4a5aec02d391..0093531fa9eaf801f42cbb73898684b14e534e56 100644
--- a/src/csharp/Grpc.IntegrationTesting/project.json
+++ b/src/csharp/Grpc.IntegrationTesting/project.json
@@ -1,11 +1,8 @@
 {
-  "compile": "**/*.cs",
-  "compilationOptions": {
+  "buildOptions": {
+    "compile": "**/*.cs",
     "emitEntryPoint": true
   },
-
-  "content": "../nativelibs/**",
-
   "dependencies": {
     "Grpc.Auth": "0.0.1",
     "Grpc.Core": "0.0.1",
@@ -16,6 +13,11 @@
     "NUnitLite": "3.2.0-*"
   },
   "frameworks": {
-    "net45": { }
+    "net45": {
+      "frameworkAssemblies": {
+        "System.Runtime": "",
+        "System.IO": ""
+      }
+    }
   }
 }