diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index b0ffd7009b..92b4d4c27e 100644
--- a/gnu/packages/algebra.scm
+++ b/gnu/packages/algebra.scm
@@ -202,7 +202,7 @@ (define-public gp2c
 (define-public giac-xcas
   (package
     (name "giac-xcas")
-    (version "1.2.2-59")
+    (version "1.2.2-75")
     (source (origin
               (method url-fetch)
               ;; "~parisse/giac" is not used because the maintainer regularly
@@ -214,7 +214,7 @@ (define-public giac-xcas
                                   "source/giac_" version ".tar.gz"))
               (sha256
                (base32
-                "02s774v2zg2ya43rm8s7bcwzrmp4wlmn8h2rlg4816zpfrjkrdn4"))))
+                "0vs111fkd900wkm7yypaxmplc8i8j63d9shc3fbdhddn7cdj70b1"))))
     (build-system gnu-build-system)
     (arguments
      `(#:phases