diff --git a/kdelibs.spec b/kdelibs.spec
index 0deb3a0..674b837 100644
--- a/kdelibs.spec
+++ b/kdelibs.spec
@@ -37,11 +37,13 @@ Requires: kde-settings
 Requires: shared-mime-info
 Requires: kdelibs-common
 Requires: hunspell
-Requires: phonon%{?_isa} >= %{phonon_ver} 
+%global phonon_version %(pkg-config --modversion phonon 2>/dev/null || echo %{phonon_ver})
+Requires: phonon%{?_isa} >= %{phonon_version} 
 Requires: shared-desktop-ontologies
 %global soprano_version %(pkg-config --modversion soprano 2>/dev/null || echo %{soprano_ver})
 Requires: soprano%{?_isa} >= %{soprano_version} 
-Requires: strigi-libs%{?_isa} >= %{strigi_ver} 
+%global strigi_version %(pkg-config --modversion libstreams 2>/dev/null || echo %{strigi_ver})
+Requires: strigi-libs%{?_isa} >= %{strigi_version} 
 
 Source1: kde4.sh
 Source2: kde4.csh
@@ -442,7 +444,7 @@ rm -rf %{buildroot}
 
 %changelog
 * Tue Feb 09 2010 Rex Dieter <rdieter@fedoraproject.org> - 6:4.4.0-4
-- depend on version of soprano currently built against 
+- depend on version of phonon,strigi,soprano built against 
 
 * Tue Feb 09 2010 Rex Dieter <rdieter@fedoraproject.org> - 6:4.4.0-3
 - respin