diff --git a/Authors b/Authors
index 8b54240c..baf8fde4 100644
--- a/Authors
+++ b/Authors
@@ -28,6 +28,7 @@ Gabe Westmaas <gabe.westmaas@rackspace.com>
 Hisaharu Ishii <ishii.hisaharu@lab.ntt.co.jp>
 Hisaki Ohara <hisaki.ohara@intel.com>
 Ilya Alekseyev <ialekseev@griddynamics.com>
+Isaku Yamahata <yamahata@valinux.co.jp>
 Jason Koelker <jason@koelker.net>
 Jay Pipes <jaypipes@gmail.com>
 Jesse Andrews <anotherjesse@gmail.com>