diff --git a/pkgs/development/libraries/phonon-backend-gstreamer/default.nix b/pkgs/development/libraries/phonon-backend-gstreamer/default.nix
index 17744bad32c..3b5a201e037 100644
--- a/pkgs/development/libraries/phonon-backend-gstreamer/default.nix
+++ b/pkgs/development/libraries/phonon-backend-gstreamer/default.nix
@@ -1,17 +1,17 @@
-{ stdenv, fetchurl, cmake, automoc4, qt4, pkgconfig, phonon, gst_all }:
+{ stdenv, fetchurl, cmake, automoc4, qt4, pkgconfig, phonon, gst_all, xz }:
 
-let version = "4.5.1"; in
+let version = "4.6.0"; in
 
 stdenv.mkDerivation rec {
   name = "phonon-backend-gstreamer-${version}";
 
   src = fetchurl {
-    url = "mirror://kde/stable/phonon/phonon-backend-gstreamer/${version}/src/${name}.tar.bz2";
-    sha256 = "13m3kd0iy28nsn532xl97c50vq8ci3qs2i92yk4fw428qvknqck2";
+    url = "mirror://kde/stable/phonon/phonon-backend-gstreamer/${version}/src/${name}.tar.xz";
+    sha256 = "0bwkd1dmj8p4m5xindh6ixfvifq36qmvfn246vx22syqfl6f1m2v";
   };
 
   buildInputs =
-    [ cmake pkgconfig phonon qt4 automoc4
+    [ cmake pkgconfig phonon qt4 automoc4 xz
       gst_all.gstreamer gst_all.gstPluginsBase
     ];
 
diff --git a/pkgs/development/libraries/phonon/default.nix b/pkgs/development/libraries/phonon/default.nix
index c8eae2eac4e..3e0c5247ace 100644
--- a/pkgs/development/libraries/phonon/default.nix
+++ b/pkgs/development/libraries/phonon/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, cmake, automoc4, qt4, xz }:
 
 let
-  v = "4.5.1";
+  v = "4.6.0";
 in
 
 stdenv.mkDerivation rec {
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "mirror://kde/stable/phonon/${v}/src/${name}.tar.xz";
-    sha256 = "1j7lw8w7h2z415vhbp2jlgv3mqwvrspf8xnzb8l0gsfanqfg1001";
+    sha256 = "2915e7a37c92a0a8237b9e6d2ef67ba8b005ee3529d03991cd3d137f039ba3c4";
   };
 
   buildInputs = [ qt4 ];