diff --git a/pkgs/development/libraries/gsm/default.nix b/pkgs/development/libraries/gsm/default.nix
index 1405d4782ad..e24fca00a70 100644
--- a/pkgs/development/libraries/gsm/default.nix
+++ b/pkgs/development/libraries/gsm/default.nix
@@ -9,11 +9,11 @@ in
 
 stdenv.mkDerivation rec {
   pname = "gsm";
-  version = "1.0.18";
+  version = "1.0.19";
 
   src = fetchurl {
     url = "http://www.quut.com/gsm/${pname}-${version}.tar.gz";
-    sha256 = "041amvpz8cvxykl3pwqldrzxligmmzcg8ncdnxbg32rlqf3q1xh4";
+    sha256 = "1xkha9ss5g5qnfaybi8il0mcvp8knwg9plgh8404vh58d0pna0s9";
   };
 
   patchPhase = ''