diff --git a/THANKS b/THANKS
index 96d921b1..cc58432f 100644
--- a/THANKS
+++ b/THANKS
@@ -69,6 +69,7 @@ has been important. :-) In alphabetical order:
   - Richard Koch
   - Anton Kochkov
   - Ville Koskinen
+  - Sergey Kosukhin
   - Marcin Kowalczyk
   - Jan Kratochvil
   - Christian Kujau