diff --git a/Misc/ACKS b/Misc/ACKS
index 650f8ff..c7d173b 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -500,6 +500,7 @@
 Aaron Watters
 Bob Watson
 Henrik Weber
+Zack Weinberg
 Edward Welbourne
 Rickard Westman
 Truida Wiedijk