diff --git a/phonon-backend-gstreamer.spec b/phonon-backend-gstreamer.spec
index 6c4b372..04cbe36 100644
--- a/phonon-backend-gstreamer.spec
+++ b/phonon-backend-gstreamer.spec
@@ -1,5 +1,5 @@
 Name:          phonon-backend-gstreamer
-Version:       4.6.3
+Version:       4.7.1
 Release:       1mamba
 Summary:       Gstreamer phonon backend
 Group:         System/Libraries
@@ -7,15 +7,12 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Davide Madrisan <davide.madrisan@gmail.com>
 URL:           http://www.kde.org
-Source:        ftp://ftp.kde.org/pub/kde/stable/phonon/phonon-backend-gstreamer/%{version}/src/phonon-backend-gstreamer-%{version}.tar.xz
+Source:        ftp://ftp.kde.org/pub/kde/stable/phonon/phonon-backend-gstreamer/%{version}/phonon-backend-gstreamer-%{version}.tar.xz
 License:       LGPL
-BuildRequires: cmake
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: gst-plugins-good
-BuildRequires: libalsa-devel
-BuildRequires: libgcc
 BuildRequires: libGL-devel
+BuildRequires: libgcc
 BuildRequires: libglib-devel
 BuildRequires: libgst-plugins-base010-devel
 BuildRequires: libgstreamer010-devel
@@ -23,9 +20,14 @@ BuildRequires: libphonon-devel
 BuildRequires: libqt4-devel
 BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
+BuildRequires: cmake
+BuildRequires: libphonon-devel >= 4.7
 Provides:      phonon_backend
 Requires:      libqt4 >= %_qt4_version
+Requires:      libgst-plugins-base010
 Requires:      gst-plugins-good010
+Requires:      gst-plugins-bad010
+Requires:      gst-plugins-ugly010
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -35,7 +37,9 @@ Gstreamer phonon backend.
 %setup -q
 
 %build
-%cmake_kde4 -d build
+%cmake_kde4 -d build \
+   -DPHONON_BUILDSYSTEM_DIR=%{_datadir}/share/phonon/buildsystem
+   
 %make
 
 %install
@@ -69,6 +73,9 @@ exit 0
 %doc COPYING.LIB
 
 %changelog
+* Wed Jun 04 2014 Silvan Calarco <silvan.calarco@mambasoft.it> 4.7.1-1mamba
+- update to 4.7.1
+
 * Sun Feb 03 2013 Davide Madrisan <davide.madrisan@gmail.com> 4.6.3-1mamba
 - update to 4.6.3