diff --git a/LICENSE b/LICENSE
index cec354372..7ba170a43 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,7 +1,7 @@
 lab0-c is freely redistributable under the two-clause BSD License:
 
 Copyright (C) 2017 Carnegie Mellon University.
-Copyright (C) 2018 National Cheng Kung University, Taiwan.
+Copyright (C) 2018-2020 National Cheng Kung University, Taiwan.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without