diff --git a/AUTHORS b/AUTHORS
index f9b85a53519..75b61a4e51d 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -80,3 +80,4 @@ Vinu Rajashekhar <vinutheraj@gmail.com>
 Wei Guangjing <vcc.163@gmail.com>
 William Josephson <wjosephson@gmail.com>
 Yongjian Xu <i3dmaster@gmail.com>
+Yuusei Kuwana <kuwana@kumama.org>
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 7069531b627..f712097432d 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -131,4 +131,5 @@ Vish Subramanian <vish@google.com>
 Wei Guangjing <vcc.163@gmail.com>
 William Josephson <wjosephson@gmail.com>
 Yongjian Xu <i3dmaster@gmail.com>
+Yuusei Kuwana <kuwana@kumama.org>
 Yves Junqueira <yves.junqueira@gmail.com>