diff --git a/AUTHORS b/AUTHORS
index 85d117f31..36eca92b2 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -17,3 +17,4 @@ Original Authors "mruby developers" are:
    Jun Hiroe
    Narihiro Nakamura
    Yuichi Nishiwaki
+   Tatsuhiko Kubo