diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm
index 456c6a9dcc..95c03fc0f6 100644
--- a/gnu/packages/audio.scm
+++ b/gnu/packages/audio.scm
@@ -8,7 +8,7 @@
 ;;; Copyright © 2016, 2017 Alex Griffin <a@ajgrf.com>
 ;;; Copyright © 2016 ng0 <ng0@we.make.ritual.n0.is>
 ;;; Copyright © 2016 Lukas Gradl <lgradl@openmailbox.org>
-;;; Copyright © 2016, 2017 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2016, 2017, 2018 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -2987,7 +2987,7 @@ code, used in @code{libtoxcore}.")
 (define-public gsm
   (package
     (name "gsm")
-    (version "1.0.14")
+    (version "1.0.17")
     (source
      (origin
        (method url-fetch)
@@ -2996,7 +2996,7 @@ code, used in @code{libtoxcore}.")
                        "-" version ".tar.gz"))
        (sha256
         (base32
-         "0b1mx69jq88wva3wk0hi6fcl5a52qhnq2f9p3f3jdh5k61ma252q"))))
+         "00bns0d4wwrvc60lj2w7wz4yk49q1f6rpdrwqzrxsha9d78mfnl5"))))
     (build-system gnu-build-system)
     (arguments
      `(#:test-target "tst"