diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 123cbd7..6ccce2c 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -3,6 +3,7 @@ employers, are the copyright holders of the contributed code. Contributed code
 is subject to the license restrictions listed in LICENSE (as they were when the
 code was contributed.)
 
+Peng Gao <peng.gao.dut@gmail.com>
 Dustin Sallings <dustin@spy.net>
 Jason Mooberry <jasonmoo@me.com>
 Sergey Shepelev <temotor@gmail.com>
diff --git a/LICENSE b/LICENSE
index 159e1e7..75c2526 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,5 @@
 Copyright (c) 2012-2015 Patrick Mylund Nielsen and the go-cache contributors
+Copyright (c) 2016 Peng Gao and cachemap contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal