diff --git a/gnu/packages/messaging.scm b/gnu/packages/messaging.scm
index 64aada69f5..fa08a33d8f 100644
--- a/gnu/packages/messaging.scm
+++ b/gnu/packages/messaging.scm
@@ -4,7 +4,7 @@
 ;;; Copyright © 2015 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com>
 ;;; Copyright © 2015 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2015, 2016, 2017, 2018, 2019 Ricardo Wurmus <rekado@elephly.net>
-;;; Copyright © 2015, 2018, 2019, 2020 Efraim Flashner <efraim@flashner.co.il>
+;;; Copyright © 2015, 2018, 2019, 2020, 2021 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2016, 2017 Nikita <nikita@n0.is>
 ;;; Copyright © 2016 Andy Patterson <ajpatter@uwaterloo.ca>
 ;;; Copyright © 2016, 2017, 2018, 2019 Clément Lassieur <clement@lassieur.org>
@@ -2428,7 +2428,8 @@ QMatrixClient project.")
            ;; Relax overly strict package version specifications.
            (lambda _
              (substitute* "setup.py"
-               (("==") ">="))
+               (("==") ">=")
+               ((",<.*'") "'"))
              #t)))))
     (propagated-inputs
      `(("python-aiohttp" ,python-aiohttp)