diff --git a/COPYRIGHT b/COPYRIGHT
index 3a474ed952..6e6811c885 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -1,6 +1,6 @@
-Copyright (C) 2009 Cédric Krier.
-Copyright (C) 2009 Bertrand Chenal.
-Copyright (C) 2009 B2CK SPRL.
+Copyright (C) 2009-2010 Cédric Krier.
+Copyright (C) 2009-2010 Bertrand Chenal.
+Copyright (C) 2009-2010 B2CK SPRL.
 
 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