diff --git a/LICENSE.txt b/LICENSE.txt
index 9f54f60..0ca98da 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,4 +1,4 @@
-Copyright 2021 Robin Davies
+Copyright 2021-2022 Robin Davies
 
 Permission is hereby granted, free of charge, to any person obtaining 
 a copy of this software and associated documentation files (the "Software"),