diff --git a/CREDITS.txt b/CREDITS.txt
index d8e058f8b..a7b6e152a 100644
--- a/CREDITS.txt
+++ b/CREDITS.txt
@@ -1522,3 +1522,4 @@ Edward Glover
 James Snodgrass
 Dwayne Carden
 Gerald Migely
+Mark Schmidt