diff --git a/pkgs/applications/networking/bittorrentsync/default.nix b/pkgs/applications/networking/bittorrentsync/default.nix
index 00f36729d1f..e73c59c5a37 100644
--- a/pkgs/applications/networking/bittorrentsync/default.nix
+++ b/pkgs/applications/networking/bittorrentsync/default.nix
@@ -5,15 +5,15 @@ let
     else if stdenv.system == "i686-linux" then "i386"
     else throw "Bittorrent Sync for: ${stdenv.system} not supported!";
 
-  sha256 = if stdenv.system == "x86_64-linux" then "c4b100bbf8cda0334e20793e02bf400d15266cb9d089917bd2b6b9d49dd37d19"
-    else if stdenv.system == "i686-linux" then "5760471fcea396efd158758aa350b1c48a9d0633765a5e3b059baf8aeab615fa"
+  sha256 = if stdenv.system == "x86_64-linux" then "0hiapq24y02pm7zi0jvqj4jxwdn5k74yxq9n1jpv8jmgir3iwznn"
+    else if stdenv.system == "i686-linux" then "0jv3zg0jhdzsc56kkpylwihvhsz73gsl2i2pjmqk3r3x4gwjk8xx"
     else throw "Bittorrent Sync for: ${stdenv.system} not supported!";
 
   libPath = stdenv.lib.makeLibraryPath [ stdenv.gcc.libc ];
 in
 stdenv.mkDerivation rec {
   name = "btsync-${version}";
-  version = "1.4.93";
+  version = "1.4.103";
 
   src  = fetchurl {
     url  = "http://syncapp.bittorrent.com/${version}/btsync_${arch}-${version}.tar.gz";