diff --git a/src/core/census/initialize.c b/src/core/census/initialize.c
index 989708d42cd8a74fb15ba94ce4367114492a018b..b7af714e0bebdfdce0144badf9f0edf1396c3394 100644
--- a/src/core/census/initialize.c
+++ b/src/core/census/initialize.c
@@ -1,6 +1,6 @@
 /*
  *
- * 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.Core.Tests/Internal/AsyncCallTest.cs b/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs
index 543f6375df1b7bb6e03c26d411cb7f46c85f2c7a..d5a1eeb0fba6d8db2c5dbccc688b27b675f1ca8e 100644
--- a/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs
+++ b/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.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.Core/Internal/AsyncCall.cs b/src/csharp/Grpc.Core/Internal/AsyncCall.cs
index 1423145b9eec02d5c95cdd4f0d0c81a1b19c3ef1..7dc4490281d046a1e125b7d03312dc5548f320be 100644
--- a/src/csharp/Grpc.Core/Internal/AsyncCall.cs
+++ b/src/csharp/Grpc.Core/Internal/AsyncCall.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.Core/Internal/AsyncCallBase.cs b/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs
index 13d75a826b7ee72a5d227caa4c26e8308702c91c..81a9a40fcc3825aad2a13e71cabdd1daba55d8db 100644
--- a/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs
+++ b/src/csharp/Grpc.Core/Internal/AsyncCallBase.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.Core/Internal/AsyncCallServer.cs b/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs
index 36f2fed82c4e3032ca1db943dca32f6bc372a38d..6752d3fab330a7ed073698de8e2698c80a8b4150 100644
--- a/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs
+++ b/src/csharp/Grpc.Core/Internal/AsyncCallServer.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.Core/Internal/AsyncCompletion.cs b/src/csharp/Grpc.Core/Internal/AsyncCompletion.cs
index 7e86fddb4d89ef583b49babf78da6f994ae180c0..d5bbf676ff74027367a4344ee56efb81664eebf1 100644
--- a/src/csharp/Grpc.Core/Internal/AsyncCompletion.cs
+++ b/src/csharp/Grpc.Core/Internal/AsyncCompletion.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.Core/Internal/BatchContextSafeHandle.cs b/src/csharp/Grpc.Core/Internal/BatchContextSafeHandle.cs
index 150e2115b31fb1a9fec57e7816559f9a82ea4287..125fb40b3268bd7f313b7e3d72cb798b65cb75cd 100644
--- a/src/csharp/Grpc.Core/Internal/BatchContextSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/BatchContextSafeHandle.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.Core/Internal/CallSafeHandle.cs b/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs
index bbd8001492c1fcb510af948525622cef64276118..298c5e29ab82ac812e04dc993ab302edb7c2f918 100644
--- a/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs
@@ -1,5 +1,5 @@
 #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.HealthCheck.Tests/HealthClientServerTest.cs b/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs
index c7e1547144473929a9bb4597857313da2b3a2f60..a8a76c749229468a56bd246d39ca2c7cdc19e087 100644
--- a/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs
+++ b/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs
@@ -1,5 +1,5 @@
 #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/node/test/echo_service.proto b/src/node/test/echo_service.proto
index fc941a290442160c10c7b9f2b0ae4afe30cc1eff..11b4f18c35d3cf937ad9a482475f7f03e7736d29 100644
--- a/src/node/test/echo_service.proto
+++ b/src/node/test/echo_service.proto
@@ -1,4 +1,4 @@
-// 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/node/test/test_messages.proto b/src/node/test/test_messages.proto
index 1b611b82a7e7f539d4c331bf31bb1b3bde1eee45..c77a937d3f4e3c91812eb711bfe655358b6260f6 100644
--- a/src/node/test/test_messages.proto
+++ b/src/node/test/test_messages.proto
@@ -1,4 +1,4 @@
-// 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/node/test/test_service.proto b/src/node/test/test_service.proto
index c86ce51d910383216e1ceb0193ad76e99f30612d..0ac2ae79a7e21d0e7cca3ba4d640176ff8dc4fc3 100644
--- a/src/node/test/test_service.proto
+++ b/src/node/test/test_service.proto
@@ -1,4 +1,4 @@
-// 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/proto/grpc/health/v1alpha/health.proto b/src/proto/grpc/health/v1alpha/health.proto
index e6214c569106e33efa223944a1b6edb692d2be2b..05f837dd9904ad7f9ea043abe59e1866dec7a99d 100644
--- a/src/proto/grpc/health/v1alpha/health.proto
+++ b/src/proto/grpc/health/v1alpha/health.proto
@@ -1,4 +1,4 @@
-// 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/test/cpp/util/subprocess.cc b/test/cpp/util/subprocess.cc
index c31802b9a3bd2d9a4abc77d54580e1762f235cb4..33f3820a2bbfff2c796829572386649f68170c7e 100644
--- a/test/cpp/util/subprocess.cc
+++ b/test/cpp/util/subprocess.cc
@@ -1,6 +1,6 @@
 /*
  *
- * 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/tools/run_tests/check_sources_and_headers.py b/tools/run_tests/check_sources_and_headers.py
index 6f4c5a8657c3f720a60251deee02a512a6a75b71..50574f44b0ee539917df7a4d93636685e822f789 100755
--- a/tools/run_tests/check_sources_and_headers.py
+++ b/tools/run_tests/check_sources_and_headers.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015, Google Inc.
+# Copyright 2015-2016, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without