diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 58433d4b0c..83750cdaaa 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -30,7 +30,7 @@
 ;;; Copyright © 2018 Eric Brown <brown@fastmail.com>
 ;;; Copyright © 2018 Julien Lepiller <julien@lepiller.eu>
 ;;; Copyright © 2018 Amin Bandali <bandali@gnu.org>
-;;; Copyright © 2019 Nicolas Goaziou <mail@nicolasgoaziou.fr>
+;;; Copyright © 2019, 2021 Nicolas Goaziou <mail@nicolasgoaziou.fr>
 ;;; Copyright © 2019 Steve Sprang <scs@stevesprang.com>
 ;;; Copyright © 2019 Robert Smith <robertsmith@posteo.net>
 ;;; Copyright © 2020 Jakub Kądziołka <kuba@kadziolka.net>
@@ -4870,7 +4870,7 @@ (define-public elpa
                ;; Test scripts are generated, patch the shebang
                (("#!/bin/bash") (string-append "#!" (which "sh"))))
              #t)))))
-    (home-page "http://elpa.mpcdf.mpg.de")
+    (home-page "https://elpa.mpcdf.mpg.de")
     (synopsis "Eigenvalue solvers for symmetric matrices")
     (description
      "The ELPA library provides efficient and scalable direct eigensolvers for