diff --git a/gnu/packages/plotutils.scm b/gnu/packages/plotutils.scm
index c2311958f3..96b1cc9bf1 100644
--- a/gnu/packages/plotutils.scm
+++ b/gnu/packages/plotutils.scm
@@ -1,7 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2015 Eric Bavier <bavier@member.fsf.org>
-;;; Copyright © 2016, 2017 Nicolas Goaziou <mail@nicolasgoaziou.fr>
+;;; Copyright © 2016, 2017, 2019 Nicolas Goaziou <mail@nicolasgoaziou.fr>
 ;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;;
 ;;; This file is part of GNU Guix.