diff --git a/Doc/ACKS b/Doc/ACKS
index 8d380e6..b761678 100644
--- a/Doc/ACKS
+++ b/Doc/ACKS
@@ -128,6 +128,7 @@
 Ng Pheng Siong
 Koray Oner
 Denis S. Otkidach
+Zooko O'Whielacronx
 William Park
 Joonas Paalasmaa
 Harri Pasanen