diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index b1ed674..613101a 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -1275,6 +1275,7 @@
 Komu Wairagu <komuw05@gmail.com>
 Konstantin <konstantin8105@gmail.com>
 Konstantin Shaposhnikov <k.shaposhnikov@gmail.com>
+Koya IWAMURA <kiwamura0314@gmail.com>
 Kris Kwiatkowski <kris@cloudflare.com>
 Kris Nova <kris@nivenly.com>
 Kris Rousey <krousey@google.com>