diff --git a/README.md b/README.md
index 8c6d798..210d448 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ This is a development version following release 2.3.0 of teapot (Table Editor An
 
 	Copyright (C) 1995-2006 Michael Haardt
 	Copyright (C) 2009-2012 Joerg Walter
-	Copyright (C) 2019 Glen Whitney
+	Copyright (C) 2019,2023 Glen Whitney
 	This program is free software: you can redistribute it and/or modify
 	it under the terms of the GNU General Public License as published by
 	the Free Software Foundation, either version 3 of the License, or