diff --git a/Misc/ACKS b/Misc/ACKS
index 808d1ba..f01619e 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1133,6 +1133,7 @@
 Nathan Sullivan
 Mark Summerfield
 Reuben Sumner
+Marek Šuppa
 Hisao Suzuki
 Kalle Svensson
 Andrew Svetlov