update Protobuf to 3.0.0 in project.json projects
diff --git a/src/csharp/Grpc.Examples/project.json b/src/csharp/Grpc.Examples/project.json
index 98bd5d8..76236d6 100644
--- a/src/csharp/Grpc.Examples/project.json
+++ b/src/csharp/Grpc.Examples/project.json
@@ -11,7 +11,7 @@
     "Grpc.Core": {
       "target": "project"
     },
-    "Google.Protobuf": "3.0.0-beta3"
+    "Google.Protobuf": "3.0.0"
   },
   "frameworks": {
     "net45": {
diff --git a/src/csharp/Grpc.HealthCheck/project.json b/src/csharp/Grpc.HealthCheck/project.json
index 7c062a7..75aa513 100644
--- a/src/csharp/Grpc.HealthCheck/project.json
+++ b/src/csharp/Grpc.HealthCheck/project.json
@@ -23,7 +23,7 @@
   },
   "dependencies": {
     "Grpc.Core": "1.1.0-dev",
-    "Google.Protobuf": "3.0.0-beta3"
+    "Google.Protobuf": "3.0.0"
   },
   "frameworks": {
     "net45": {
diff --git a/src/csharp/Grpc.IntegrationTesting/project.json b/src/csharp/Grpc.IntegrationTesting/project.json
index 9d70651..f1c6906 100644
--- a/src/csharp/Grpc.IntegrationTesting/project.json
+++ b/src/csharp/Grpc.IntegrationTesting/project.json
@@ -57,7 +57,7 @@
     "Grpc.Core": {
       "target": "project"
     },
-    "Google.Protobuf": "3.0.0-beta3",
+    "Google.Protobuf": "3.0.0",
     "CommandLineParser.Unofficial": "2.0.275",
     "NUnit": "3.2.0",
     "NUnitLite": "3.2.0-*"
diff --git a/templates/src/csharp/Grpc.Examples/project.json.template b/templates/src/csharp/Grpc.Examples/project.json.template
index 117f842..ac532fa 100644
--- a/templates/src/csharp/Grpc.Examples/project.json.template
+++ b/templates/src/csharp/Grpc.Examples/project.json.template
@@ -6,7 +6,7 @@
       "Grpc.Core": {
         "target": "project"
       },
-      "Google.Protobuf": "3.0.0-beta3"
+      "Google.Protobuf": "3.0.0"
     },
     "frameworks": {
       "net45": {
diff --git a/templates/src/csharp/Grpc.HealthCheck/project.json.template b/templates/src/csharp/Grpc.HealthCheck/project.json.template
index cd2da00..2bd8481 100644
--- a/templates/src/csharp/Grpc.HealthCheck/project.json.template
+++ b/templates/src/csharp/Grpc.HealthCheck/project.json.template
@@ -25,7 +25,7 @@
     },
     "dependencies": {
       "Grpc.Core": "${settings.csharp_version}",
-      "Google.Protobuf": "3.0.0-beta3"
+      "Google.Protobuf": "3.0.0"
     },
     "frameworks": {
       "net45": {
diff --git a/templates/src/csharp/Grpc.IntegrationTesting/project.json.template b/templates/src/csharp/Grpc.IntegrationTesting/project.json.template
index 1cb5ca4..0097b37 100644
--- a/templates/src/csharp/Grpc.IntegrationTesting/project.json.template
+++ b/templates/src/csharp/Grpc.IntegrationTesting/project.json.template
@@ -9,7 +9,7 @@
       "Grpc.Core": {
         "target": "project"
       },
-      "Google.Protobuf": "3.0.0-beta3",
+      "Google.Protobuf": "3.0.0",
       "CommandLineParser.Unofficial": "2.0.275",
       "NUnit": "3.2.0",
       "NUnitLite": "3.2.0-*"