diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index d60c033dbc..1821b2b1c7 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -20,7 +20,7 @@
 ;;; Copyright © 2017 Ben Woodcroft <donttrustben@gmail.com>
 ;;; Copyright © 2017 Theodoros Foradis <theodoros@foradis.org>
 ;;; Copyright © 2017, 2019 Arun Isaac <arunisaac@systemreboot.net>
-;;; Copyright © 2017, 2018, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2017, 2018, 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2017 Dave Love <me@fx@gnu.org>
 ;;; Copyright © 2018, 2019 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;; Copyright © 2018 Joshua Sierles, Nextjournal <joshua@nextjournal.com>
@@ -4366,7 +4366,7 @@ (define-public jacal
 (define-public z3
   (package
     (name "z3")
-    (version "4.8.7")
+    (version "4.8.8")
     (home-page "https://github.com/Z3Prover/z3")
     (source (origin
               (method git-fetch)
@@ -4375,7 +4375,7 @@ (define-public z3
               (file-name (git-file-name name version))
               (sha256
                (base32
-                "0hprcdwhhyjigmhhk6514m71bnmvqci9r8gglrqilgx424r6ff7q"))))
+                "1rn538ghqwxq0v8i6578j8mflk6fyv0cp4hjfqynzvinjbps56da"))))
     (build-system gnu-build-system)
     (arguments
      `(#:imported-modules ((guix build python-build-system)