diff --git a/Misc/ACKS b/Misc/ACKS
index e4086bd..c9dcad0 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -791,6 +791,7 @@
 Truida Wiedijk
 Felix Wiemann
 Gerry Wiener
+Frank Wierzbicki
 Bryce "Zooko" Wilcox-O'Hearn
 John Williams
 Sue Williams