diff --git a/Misc/ACKS b/Misc/ACKS
index 1fa27d437e6..30464c0d24f 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -864,6 +864,7 @@ Thomas Wouters
 Heiko Wundram
 Doug Wyatt
 Florent Xicluna
+Hirokazu Yamamoto
 Ka-Ping Yee
 Bob Yodlowski
 Danny Yoo