diff --git a/COPYRIGHT.txt b/COPYRIGHT.txt
index bdae8bbf0..ccdc08786 100644
--- a/COPYRIGHT.txt
+++ b/COPYRIGHT.txt
@@ -92,6 +92,7 @@ Liu Lang Wa
 Luis Garcés-Erice
 Maciej Bryński
 MaoXiang Pan
+Marc Zbyszynski
 Mario Mueller
 Mariusz Strzelecki
 Matteo Capitanio