diff --git a/CREDITS.txt b/CREDITS.txt
index a9f8bb0ab..9c28d3f86 100644
--- a/CREDITS.txt
+++ b/CREDITS.txt
@@ -1350,3 +1350,5 @@ Philip Michels
 Peter Helbling
 Guy Lamaison
 Michael Oeschger
+Alistair Sutherland
+Chris Hawley