diff --git a/Misc/ACKS b/Misc/ACKS
index 2fe9174..718efc2 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -285,6 +285,7 @@
 Niels Ferguson
 Sebastian Fernandez
 Florian Festi
+John Feuerstein
 Vincent Fiack
 Tomer Filiba
 Jeffrey Finkelstein