diff --git a/LICENSE b/LICENSE
index 6820e1c..ba46664 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2022, skirtle
+Copyright (c) 2022-2023, skirtle
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index 83900a7..a5e5dc5 100644
--- a/README.md
+++ b/README.md
@@ -65,4 +65,4 @@ Some browsers do not yet have full support for import maps.
 
 MIT
 
-Copyright © 2022, skirtle
+Copyright © 2022-2023, skirtle