diff --git a/THANKS b/THANKS
index 553c0415..5bcc2085 100644
--- a/THANKS
+++ b/THANKS
@@ -73,6 +73,7 @@ has been important. :-) In alphabetical order:
   - Richard Koch
   - Anton Kochkov
   - Ville Koskinen
+  - Sergey Kosukhin
   - Marcin Kowalczyk
   - Jan Kratochvil
   - Christian Kujau