diff --git a/COPYRIGHT.txt b/COPYRIGHT.txt
index efdbefe24..5d1443875 100644
--- a/COPYRIGHT.txt
+++ b/COPYRIGHT.txt
@@ -1,4 +1,4 @@
 THELIA
-Copyright (C) 2005 OpenStudio
+Copyright (C) 2005-2014 OpenStudio
 
-THELIA application uses externals components and libraries which are released under their own GPL compatible license terms.
\ No newline at end of file
+THELIA application uses externals components and libraries which are released under their own GPL compatible license terms.