Thank Rosen Penev
diff --git a/THANKS b/THANKS
index d6a0f23..565dcb8 100644
--- a/THANKS
+++ b/THANKS
@@ -79,6 +79,7 @@
 Robert Norris <rw_norris@hotmail.com>
 Roberto Tirabassi <rtirabassi@3di.it>
 Roland Ortloff <Ortloff.R@gmx.de>
+Rosen Penev <rosenp@gmail.com>
 Sergei Ozerov <ru.programmist@gmail.com>
 Simon Talbot <simont@nse.co.uk>
 Stephen Bryant <steve@bawue.de>