diff --git a/Misc/ACKS b/Misc/ACKS
index 538f2c0..e811705 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1098,6 +1098,7 @@
 Thomas Wouters
 Heiko Wundram
 Doug Wyatt
+Robert Xiao
 Florent Xicluna
 Hirokazu Yamamoto
 Ka-Ping Yee