diff --git a/6502/C64/COPYING b/6502/C64/COPYING
index 7949c26..9b2d58b 100644
--- a/6502/C64/COPYING
+++ b/6502/C64/COPYING
@@ -1,4 +1,4 @@
-Copyright (c) 1985-2006, Forthgesellschaft e.V. (www.forth-ev.de) All rights
+Copyright (c) 1985-2023, Forthgesellschaft e.V. (www.forth-ev.de) All rights
 reserved.
 
 Redistribution and use in source and binary forms, with or without