diff --git a/THANKS b/THANKS
index e456826d..8abe3382 100644
--- a/THANKS
+++ b/THANKS
@@ -63,3 +63,4 @@ Alexandre Zani <alexandre.zani@gmail.com>
 Andreas StÃŒhrk <andy-python@hammerhartes.de>
 Philip Cristiano <philipcristiano@gmail.com>
 Jorge Niedbalski R <niedbalski@gmail.com>
+Moriyoshi Koizumi <mozo@mozo.jp>