diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index 1118561080..52eb6ee366 100644
--- a/gnu/packages/algebra.scm
+++ b/gnu/packages/algebra.scm
@@ -1,7 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2013, 2015, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
-;;; Copyright © 2016, 2017, 2018 Nicolas Goaziou <mail@nicolasgoaziou.fr>
+;;; Copyright © 2016, 2017, 2018, 2019 Nicolas Goaziou <mail@nicolasgoaziou.fr>
 ;;; Copyright © 2014, 2018 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2016, 2018, 2019 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2017 Efraim Flashner <efraim@flashner.co.il>