diff --git a/Misc/ACKS b/Misc/ACKS
index 35c9cf0..0ec87b3 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -904,6 +904,7 @@
 Rich Salz
 Kevin Samborn
 Ilya Sandler
+Simon Sapin
 Mark Sapiro
 Ty Sarna
 Hugh Sasse