diff --git a/CREDITS.txt b/CREDITS.txt
index 255509530..b9a230133 100644
--- a/CREDITS.txt
+++ b/CREDITS.txt
@@ -1479,3 +1479,4 @@ Aldo Midali
 Sidney Gates
 Serhiy Semenenko 
 Miguel Esquer Ramiro
+Stefan Grunenberg