diff --git a/Doc/ACKS b/Doc/ACKS
index 8941fec..8fe9325 100644
--- a/Doc/ACKS
+++ b/Doc/ACKS
@@ -102,6 +102,7 @@
 Vincent Marchetti
 Aahz Maruch
 Laura Matson
+Daniel May
 Doug Mennella
 Paolo Milani
 Skip Montanaro