--- a/COPYING	Mon Dec 30 09:54:10 2019 +0100
+++ b/COPYING	Sat Feb 06 19:11:44 2021 +0100
@@ -1,4 +1,4 @@
-Copyright 2017 Mike Becker, Olaf Wintermann. All rights reserved.
+Copyright 2021 Mike Becker, Olaf Wintermann. All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met: