diff --git a/common/event_bus.py b/common/event_bus.py
index 47e0dcd..fa8423a 100644
--- a/common/event_bus.py
+++ b/common/event_bus.py
@@ -1,5 +1,5 @@
 #
-# Copyright 2016 the original author or authors.
+# Copyright 2017 the original author or authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.