diff --git a/COPYRIGHT b/COPYRIGHT
index 59fc8db3049..f78dfe17884 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -39,6 +39,12 @@ http://www.fsf.org/licensing/licenses/index_html
 Copyright
 ---------
 
+Copyright (C) 2010
+- Laurent Destailleur <eldy@users.sourceforge.net>
+- Regis Houssin <regis@dolibarr.fr>
+- simnandez
+- r2gnl
+
 Copyright (C) 2009
 - Laurent Destailleur <eldy@users.sourceforge.net>
 - Regis Houssin <regis@dolibarr.fr>