diff --git a/COPYING b/COPYING
index 1bc70c6..f039ae7 100644
--- a/COPYING
+++ b/COPYING
@@ -1,6 +1,8 @@
-Copyright (c) 1993-1999 Richard Kelsey and Jonathan Rees
-Copyright (c) 1994-2000 by Olin Shivers and Brian D. Carlstrom.
-Copyright (c) 1999-2000 by Martin Gasbichler.
+Copyright (c) 1993-2002 Richard Kelsey and Jonathan Rees
+Copyright (c) 1994-2002 by Olin Shivers and Brian D. Carlstrom.
+Copyright (c) 1999-2002 by Martin Gasbichler.
+Copyright (c) 2001-2002 by Michael Sperber.
+
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without