diff --git a/src/csharp/Grpc.Examples/MathServiceImpl.cs b/src/csharp/Grpc.Examples/MathServiceImpl.cs
index 95c9cc30282549b44e6af44c2cac7937ff001b55..79c56e57a85a220cb6d833f552134f361e2ab6d9 100644
--- a/src/csharp/Grpc.Examples/MathServiceImpl.cs
+++ b/src/csharp/Grpc.Examples/MathServiceImpl.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.IntegrationTesting/BenchmarkServiceImpl.cs b/src/csharp/Grpc.IntegrationTesting/BenchmarkServiceImpl.cs
index 9b5db1feb6ffd36fc4137c506cded46657a872a7..07f2703d4a4ee06427032c257de331915e8326fb 100644
--- a/src/csharp/Grpc.IntegrationTesting/BenchmarkServiceImpl.cs
+++ b/src/csharp/Grpc.IntegrationTesting/BenchmarkServiceImpl.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/Grpc.IntegrationTesting/TestServiceImpl.cs b/src/csharp/Grpc.IntegrationTesting/TestServiceImpl.cs
index 7d505e8a9f5fdc3a9b8c9b4679c240135b85dd90..354318e80e23d7996d9436eb784e7549af3e20d1 100644
--- a/src/csharp/Grpc.IntegrationTesting/TestServiceImpl.cs
+++ b/src/csharp/Grpc.IntegrationTesting/TestServiceImpl.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without