diff --git a/Misc/ACKS b/Misc/ACKS
index ec8dc1ca813..417ada72051 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -990,6 +990,7 @@ Nigel O'Brian
 John O'Connor
 Kevin O'Connor
 Tim O'Malley
+Dan O'Reilly
 Zooko O'Whielacronx
 Aaron Oakley
 James Oakley