diff --git a/license.txt b/license.txt
index 269a26e..67d8e34 100644
--- a/license.txt
+++ b/license.txt
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2017 Simon Oxtoby
+Copyright (c) 2020 Simon Oxtoby
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal