diff --git a/CREDITS.txt b/CREDITS.txt
index e909900df..4aaccbf95 100644
--- a/CREDITS.txt
+++ b/CREDITS.txt
@@ -1497,3 +1497,4 @@ Zdenek Trojanek
 Fred Page
 Burt Pickard-Richardson
 Eric Destrebecq
+Derek Quigley