diff --git a/gnu/packages/security-token.scm b/gnu/packages/security-token.scm
index 7c6b957411..7ce531bb6d 100644
--- a/gnu/packages/security-token.scm
+++ b/gnu/packages/security-token.scm
@@ -5,6 +5,7 @@
 ;;; Copyright © 2016 Marius Bakke <mbakke@fastmail.com>
 ;;; Copyright © 2017 Thomas Danckaert <post@thomasdanckaert.be>
 ;;; Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;