diff --git a/Misc/ACKS b/Misc/ACKS
index 7524bae..2e50764 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -633,6 +633,7 @@
 Bill Tutt
 Doobee R. Tzeck
 Lionel Ulmer
+Roger Upole
 Michael Urman
 Hector Urtubia
 Dmitry Vasiliev