diff --git a/COPYING b/COPYING
index 7bc7ea2c..12579cb5 100644
--- a/COPYING
+++ b/COPYING
@@ -1,4 +1,4 @@
-Copyright (c) 2009-2018 Alex Shinn
+Copyright (c) 2009-2021 Alex Shinn
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without