diff --git a/THANKS b/THANKS
index b677e2f4..03e731b6 100644
--- a/THANKS
+++ b/THANKS
@@ -46,6 +46,7 @@ has been important. :-) In alphabetical order:
   - Peter Ivanov
   - Jouk Jansen
   - Jun I Jin
+  - Kiyoshi Kanazawa
   - Per Øyvind Karlsen
   - Thomas Klausner
   - Richard Koch