diff --git a/Misc/ACKS b/Misc/ACKS
index 782fcd1..58dd0ad 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -621,6 +621,7 @@
 Rickard Westman
 Mats Wichmann
 Truida Wiedijk
+Felix Wiemann
 Gerry Wiener
 Bryce "Zooko" Wilcox-O'Hearn
 Gerald S. Williams