diff --git a/THANKS b/THANKS
index 146c8ace..f1a2f264 100644
--- a/THANKS
+++ b/THANKS
@@ -77,6 +77,7 @@ has been important. :-) In alphabetical order:
   - Richard Koch
   - Anton Kochkov
   - Ville Koskinen
+  - Sergey Kosukhin
   - Marcin Kowalczyk
   - Jan Kratochvil
   - Christian Kujau