diff --git a/MQTTSNGateway/src/MQTTGWConnectionHandler.cpp b/MQTTSNGateway/src/MQTTGWConnectionHandler.cpp
index 47ad782..0e5d85e 100644
--- a/MQTTSNGateway/src/MQTTGWConnectionHandler.cpp
+++ b/MQTTSNGateway/src/MQTTGWConnectionHandler.cpp
@@ -1,5 +1,5 @@
 /**************************************************************************************
- * Copyright (c) 2016, Tomoaki Yamaguchi
+ * Copyright (c) 2016, 2020 Tomoaki Yamaguchi and others
  *
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0