diff --git a/gnu/packages/mail.scm b/gnu/packages/mail.scm
index 9cf564b3ba..bdad674bac 100644
--- a/gnu/packages/mail.scm
+++ b/gnu/packages/mail.scm
@@ -25,6 +25,7 @@
 ;;; Copyright © 2017, 2018 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2017 Rene Saavedra <rennes@openmailbox.org>
 ;;; Copyright © 2018 Pierre Langlois <pierre.langlois@gmx.com>
+;;; Copyright © 2018 Alex Vong <alexvong1995@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -2055,14 +2056,14 @@ for OpenSMTPD to extend its functionality.")
 (define-public python-mailmanclient
   (package
     (name "python-mailmanclient")
-    (version "1.0.1")
+    (version "3.1.1")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "mailmanclient" version))
        (sha256
         (base32
-         "1cfjh45fgbsax5hjj2inq9nk33dhdvh63xhysc8dhnqidgqgm8c5"))))
+         "0fdfs5g3pf30v2i7w18pdkv9xnfxmfcv66mzv56dck0a1igq07m3"))))
     (build-system python-build-system)
     (arguments
      `(#:tests? #f)) ; Requires mailman running