diff --git a/Misc/ACKS b/Misc/ACKS
index 674bb96..3b6802c 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -318,6 +318,7 @@
 John Popplewell
 Amrit Prem
 Paul Prescod
+Donovan Preston
 Brian Quinlan
 Eric Raymond
 John Redford