diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index a5eef508cd..214878949e 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, 2019 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2013, 2015, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
-;;; Copyright © 2016, 2017, 2018, 2019, 2020 Nicolas Goaziou <mail@nicolasgoaziou.fr>
+;;; Copyright © 2016, 2017, 2018, 2019, 2020, 2021 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, 2020 Efraim Flashner <efraim@flashner.co.il>
@@ -355,7 +355,7 @@ (define-public cmh
 (define-public giac
   (package
     (name "giac")
-    (version "1.6.0-31")
+    (version "1.6.0-41")
     (source
      (origin
        (method url-fetch)
@@ -367,7 +367,7 @@ (define-public giac
                            "~parisse/debian/dists/stable/main/source/"
                            "giac_" version ".tar.gz"))
        (sha256
-        (base32 "1dr1y88sx2gzldn0zl6p8b1ngjjcmh89iv4kzyhi2cf74j3yw85m"))))
+        (base32 "1z5b3jm6ffxk3yvdqzwn9icbna68brkrz5kspgacq823d03jfklc"))))
     (build-system gnu-build-system)
     (arguments
      `(#:modules ((ice-9 ftw)