diff --git a/license.md b/license.md
index dcfe766..79eb37e 100644
--- a/license.md
+++ b/license.md
@@ -1,4 +1,4 @@
-Copyright 2019 Ian Sanders
+Copyright 2023 Ian Sanders
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in