diff --git a/Misc/ACKS b/Misc/ACKS
index 1ebf774..3616e57 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -92,6 +92,7 @@
 Jeffery Collins
 Matt Conway
 David M. Cooke
+David Costanzo
 Scott Cotton
 Greg Couch
 Steve Cousins