diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index 90507ebd90..3fb9362b91 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, 2022, 2023, 2024 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2013, 2015, 2017, 2018, 2021 Ludovic Courtès <ludo@gnu.org>
-;;; Copyright © 2016-2023 Nicolas Goaziou <mail@nicolasgoaziou.fr>
+;;; Copyright © 2016-2024 Nicolas Goaziou <mail@nicolasgoaziou.fr>
 ;;; Copyright © 2014, 2018 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2016, 2018, 2019, 2021, 2023 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2017, 2020-2022 Efraim Flashner <efraim@flashner.co.il>
@@ -357,7 +357,7 @@ (define-public cmh
 (define-public giac
   (package
     (name "giac")
-    (version "1.9.0-45")
+    (version "1.9.0-93")
     (source
      (origin
        (method url-fetch)
@@ -369,7 +369,7 @@ (define-public giac
                            "~parisse/debian/dists/stable/main/source/"
                            "giac_" version ".tar.gz"))
        (sha256
-        (base32 "0yxsl1vvwcbpwcmzp9v9rfm9djmapab0nhb3gs7zmjv5yvzbgj4d"))))
+        (base32 "11acbgd264vi9r3gzx8js8x2piavhybr97iyrh027qvxlbsdsgqm"))))
     (build-system gnu-build-system)
     (arguments
      (list