diff --git a/CREDITS.txt b/CREDITS.txt
index 1fa8b356a..64b706c70 100644
--- a/CREDITS.txt
+++ b/CREDITS.txt
@@ -2166,3 +2166,7 @@ Glenn Harvey
 Albrecht Friebel
 Gunter Klemke
 Travis McCarthy
+Franz Zier
+Ian Contessa
+Sean Sadler
+Richard F Janczak