diff --git a/ext/byte_buffer.cc b/ext/byte_buffer.cc
index 0f7edada..8e0b6916 100644
--- a/ext/byte_buffer.cc
+++ b/ext/byte_buffer.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/ext/call.cc b/ext/call.cc
index da312886..9f023b58 100644
--- a/ext/call.cc
+++ b/ext/call.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/ext/call_credentials.cc b/ext/call_credentials.cc
index bd2d146b..3c8f0c56 100644
--- a/ext/call_credentials.cc
+++ b/ext/call_credentials.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/ext/call_credentials.h b/ext/call_credentials.h
index 1f35595f..04c852be 100644
--- a/ext/call_credentials.h
+++ b/ext/call_credentials.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/ext/node_grpc.cc b/ext/node_grpc.cc
index 0c71b2d6..b988f298 100644
--- a/ext/node_grpc.cc
+++ b/ext/node_grpc.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/ext/timeval.cc b/ext/timeval.cc
index c8f8534c..9284db62 100644
--- a/ext/timeval.cc
+++ b/ext/timeval.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/health_check/health.js b/health_check/health.js
index 6ab41571..52366830 100644
--- a/health_check/health.js
+++ b/health_check/health.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/index.js b/index.js
index 6567d562..d345a514 100644
--- a/index.js
+++ b/index.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/interop/async_delay_queue.js b/interop/async_delay_queue.js
index df572096..5df1e009 100644
--- a/interop/async_delay_queue.js
+++ b/interop/async_delay_queue.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/interop/interop_client.js b/interop/interop_client.js
index ac0eddcf..59699594 100644
--- a/interop/interop_client.js
+++ b/interop/interop_client.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/interop/interop_server.js b/interop/interop_server.js
index c0948171..72807623 100644
--- a/interop/interop_server.js
+++ b/interop/interop_server.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/performance/benchmark_client.js b/performance/benchmark_client.js
index 80bec0b7..262aa338 100644
--- a/performance/benchmark_client.js
+++ b/performance/benchmark_client.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/performance/benchmark_server.js b/performance/benchmark_server.js
index b1b0bd12..70cee997 100644
--- a/performance/benchmark_server.js
+++ b/performance/benchmark_server.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/performance/worker.js b/performance/worker.js
index 7c8ab000..98577bdb 100644
--- a/performance/worker.js
+++ b/performance/worker.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/performance/worker_service_impl.js b/performance/worker_service_impl.js
index 2c465137..17458e4b 100644
--- a/performance/worker_service_impl.js
+++ b/performance/worker_service_impl.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/client.js b/src/client.js
index 82142379..5e07046f 100644
--- a/src/client.js
+++ b/src/client.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/common.js b/src/common.js
index 7705a275..8cf43b7a 100644
--- a/src/common.js
+++ b/src/common.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/credentials.js b/src/credentials.js
index 97c4bd73..a12eade4 100644
--- a/src/credentials.js
+++ b/src/credentials.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/metadata.js b/src/metadata.js
index 33d7ea1c..612361b0 100644
--- a/src/metadata.js
+++ b/src/metadata.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/server.js b/src/server.js
index dd0bc12b..22128343 100644
--- a/src/server.js
+++ b/src/server.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/call_test.js b/test/call_test.js
index 2300096d..eb268603 100644
--- a/test/call_test.js
+++ b/test/call_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/channel_test.js b/test/channel_test.js
index c0ae2b76..0cdb6336 100644
--- a/test/channel_test.js
+++ b/test/channel_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/common_test.js b/test/common_test.js
index 66a4205f..c57b7388 100644
--- a/test/common_test.js
+++ b/test/common_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/constant_test.js b/test/constant_test.js
index 712c7070..414b1ac9 100644
--- a/test/constant_test.js
+++ b/test/constant_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/credentials_test.js b/test/credentials_test.js
index 73eadfab..794215b2 100644
--- a/test/credentials_test.js
+++ b/test/credentials_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/echo_service.proto b/test/echo_service.proto
index 11b4f18c..fc941a29 100644
--- a/test/echo_service.proto
+++ b/test/echo_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/test/end_to_end_test.js b/test/end_to_end_test.js
index 353c6c76..f127a41d 100644
--- a/test/end_to_end_test.js
+++ b/test/end_to_end_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/server_test.js b/test/server_test.js
index 71a96471..ed311c86 100644
--- a/test/server_test.js
+++ b/test/server_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/surface_test.js b/test/surface_test.js
index 5a704ee1..b96e8e48 100644
--- a/test/surface_test.js
+++ b/test/surface_test.js
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/test_messages.proto b/test/test_messages.proto
index 9b8cb875..a1a6a328 100644
--- a/test/test_messages.proto
+++ b/test/test_messages.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/test/test_service.proto b/test/test_service.proto
index 0ac2ae79..c86ce51d 100644
--- a/test/test_service.proto
+++ b/test/test_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2015-2016, Google Inc.
+// Copyright 2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without