diff --git a/CREDITS.txt b/CREDITS.txt
index 5fb57cece..ebbebc904 100644
--- a/CREDITS.txt
+++ b/CREDITS.txt
@@ -2069,3 +2069,4 @@ Raoul Piccioli
 Uwe Probst
 Glendon Satchell
 Trevor Collins
+Horst Grashauser