diff --git a/python-sip.changes b/python-sip.changes
index 3ac8398..74094c0 100644
--- a/python-sip.changes
+++ b/python-sip.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sat Aug 11 19:35:11 CEST 2007 - dmueller@suse.de
+
+- add conflict against python-qt 3.x versions
+
 -------------------------------------------------------------------
 Fri Aug  3 00:23:12 CEST 2007 - dmueller@suse.de
 
diff --git a/python-sip.spec b/python-sip.spec
index 657b773..343827d 100644
--- a/python-sip.spec
+++ b/python-sip.spec
@@ -11,16 +11,19 @@
 # norootforbuild
 
 Name:           python-sip
-BuildRequires:  c++_compiler python-devel
+BuildRequires:  c++_compiler python
 License:        GPL v2 or later
 Group:          Development/Libraries/Python
 Summary:        SIP tool to create python bindings
 Version:        4.7
-Release:        1
+Release:        5
 URL:            http://www.riverbankcomputing.co.uk/sip/
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 Source0:        sip-%{version}.tar.bz2
 Patch0:         disable-rpaths.diff
+Conflicts:      python-qt < 4.0.0
+
+%py_requires
 
 %description
 SIP is a tool that makes it very easy to create Python bindings for C
@@ -62,6 +65,8 @@ rm -rf $RPM_BUILD_ROOT
 /usr/share/sip
 
 %changelog
+* Sat Aug 11 2007 - dmueller@suse.de
+- add conflict against python-qt 3.x versions
 * Fri Aug 03 2007 - dmueller@suse.de
 - update to 4.7:
   * Added %%PickleCode to allow handwritten code to pickle a wrapped C++