diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index 6450ac8914..5f1181640e 100644
--- a/gnu/packages/algebra.scm
+++ b/gnu/packages/algebra.scm
@@ -343,7 +343,7 @@ (define-public cmh
 (define-public giac
   (package
     (name "giac")
-    (version "1.7.0-21")
+    (version "1.7.0-23")
     (source
      (origin
        (method url-fetch)
@@ -355,7 +355,7 @@ (define-public giac
                            "~parisse/debian/dists/stable/main/source/"
                            "giac_" version ".tar.gz"))
        (sha256
-        (base32 "1w8wyz559ljsjxf5xjkjvgkac1xpj71qzy6sycnbsqza4m0j28l5"))))
+        (base32 "06dv46y4lh8f9pzj7vcimdl2rp1kk5d16q94zq0iajzzcwppqdz1"))))
     (build-system gnu-build-system)
     (arguments
      `(#:modules ((ice-9 ftw)