diff --git a/AUTHORS b/AUTHORS
index 893c7945f3..fe0bdf9895 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -260,6 +260,7 @@ Luke Curley <qpingu@gmail.com>
 Manuel Mendez <mmendez534@gmail.com>
 Marc Weistroff <marc@weistroff.net>
 Marco Hennings <marco.hennings@freiheit.com>
+Mark Theunissen <mark.theunissen@gmail.com>
 Marko Juhani Silokunnas <marko.silokunnas@gmail.com>
 Marko Tiikkaja <marko@joh.to>
 Markover Inc. DBA Poptip
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 8ccecfee5d..b6b8d03a11 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -371,6 +371,7 @@ Manuel Mendez <mmendez534@gmail.com>
 Marc Weistroff <marc@weistroff.net>
 Marcel van Lohuizen <mpvl@golang.org>
 Marco Hennings <marco.hennings@freiheit.com>
+Mark Theunissen <mark.theunissen@gmail.com>
 Mark Zavislak <zavislak@google.com>
 Marko Juhani Silokunnas <marko.silokunnas@gmail.com>
 Marko Mikulicic <mkm@google.com>