diff --git a/CREDITS.txt b/CREDITS.txt
index 6f5ba7d81..2bd9cf370 100644
--- a/CREDITS.txt
+++ b/CREDITS.txt
@@ -1527,3 +1527,4 @@ Hendrik Goessaert
 Arturas Giedraitis
 Paul Vernon
 Rick Smith
+Marcin Galczynski