diff --git a/core/api/src/main/java/org/onosproject/event/AbstractListenerManager.java b/core/api/src/main/java/org/onosproject/event/AbstractListenerManager.java
index cbe7421..2cb3bbe 100644
--- a/core/api/src/main/java/org/onosproject/event/AbstractListenerManager.java
+++ b/core/api/src/main/java/org/onosproject/event/AbstractListenerManager.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Open Networking Laboratory
+ * Copyright 2015-present Open Networking Laboratory
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.