diff --git a/.gitignore b/.gitignore
index cf24340..c4fd6c0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
-/phonon-backend-gstreamer-4.4.4.tar.bz2
 /phonon-backend-gstreamer-4.5.1.tar.bz2
+/phonon-backend-gstreamer-4.5.90.tar.bz2
diff --git a/phonon-backend-gstreamer.spec b/phonon-backend-gstreamer.spec
index 46cbf94..4bd5bc0 100644
--- a/phonon-backend-gstreamer.spec
+++ b/phonon-backend-gstreamer.spec
@@ -2,7 +2,7 @@
 Summary: Gstreamer phonon backend 
 Name:    phonon-backend-gstreamer
 Epoch:   2
-Version: 4.5.1
+Version: 4.5.90
 Release: 2%{?dist}
 Group:   System Environment/Libraries
 License: LGPLv2+
@@ -12,15 +12,16 @@ Source0: phonon-backend-gstreamer-%{version}-%{snap}.tar.bz2
 # run this script to generate a snapshot tarball
 Source1: phonon-gstreamer_snapshot.sh
 %else
-Source0: ftp://ftp.kde.org/pub/kde/stable/phonon/phonon-backend-gstreamer/%{version}/src/phonon-backend-gstreamer-%{version}.tar.bz2
+Source0: ftp://ftp.kde.org/pub/kde/unstable/phonon/phonon-backend-gstreamer/%{version}/src/phonon-backend-gstreamer-%{version}.tar.bz2
 %endif
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires: automoc4
 BuildRequires: cmake
-BuildRequires: gstreamer-devel
-BuildRequires: gstreamer-plugins-base-devel
-BuildRequires: phonon-devel >= 4.5.0
+BuildRequires: pkgconfig(gstreamer-0.10) 
+BuildRequires: pkgconfig(gstreamer-app-0.10) pkgconfig(gstreamer-audio-0.10) pkgconfig(gstreamer-video-0.10)
+BuildRequires: pkgconfig(phonon) >= 4.5.50
+BuildRequires: pkgconfig(QtOpenGL)
 
 %global phonon_version %(pkg-config --modversion phonon 2>/dev/null || echo 4.5.0)
 
@@ -80,7 +81,6 @@ fi
 %posttrans
 gtk-update-icon-cache %{_datadir}/icons/hicolor &> /dev/null ||:
 
-
 %files
 %defattr(-,root,root,-)
 %doc COPYING.LIB
@@ -91,6 +91,10 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &> /dev/null ||:
 
 
 %changelog
+* Fri Sep 23 2011 Rex Dieter <rdieter@fedoraproject.org> 2:4.5.90-2
+- 4.5.90
+- pkgconfig-style deps
+
 * Mon Jun 06 2011 Rex Dieter <rdieter@fedoraproject.org> 2:4.5.1-2
 - drop old flac_mimetype patch, no longer needed
 
diff --git a/phonon-gstreamer_snapshot.sh b/phonon-gstreamer_snapshot.sh
index 9815a6c..e586257 100755
--- a/phonon-gstreamer_snapshot.sh
+++ b/phonon-gstreamer_snapshot.sh
@@ -2,7 +2,7 @@
 
 MODULE=phonon-gstreamer
 TARBALL=phonon-backend-gstreamer
-VERSION=4.5.1
+VERSION=4.5.90
 DATE=$(date +%Y%m%d)
 
 set -x
diff --git a/sources b/sources
index c55c73d..93ae37c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-021cf7740208e7212b7ce91adb6a349b  phonon-backend-gstreamer-4.5.1.tar.bz2
+74152070e63d47be21503e7b2b25501b  phonon-backend-gstreamer-4.5.90.tar.bz2