diff --git a/src/core/iomgr/iomgr.c b/src/core/iomgr/iomgr.c
index 3283b586b06c4e340eb237c2aff6c3c3a7099977..04580150f3a7117cf78c31fb873f5f5962cfa21f 100644
--- a/src/core/iomgr/iomgr.c
+++ b/src/core/iomgr/iomgr.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/core/iomgr/timer.h b/src/core/iomgr/timer.h
index 906255ddfb924c7612604a93720d0c22a30c2573..9ad1e92f42e4cc16ee2404b850f65953d7b7a609 100644
--- a/src/core/iomgr/timer.h
+++ b/src/core/iomgr/timer.h
@@ -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