diff --git a/exempi.spec b/exempi.spec
index 867bb23..0a76961 100644
--- a/exempi.spec
+++ b/exempi.spec
@@ -1,13 +1,13 @@
 Summary:	Library for easy parsing of XMP metadata
 Name:		exempi
 Version:	2.2.0
-Release:	2%{?dist}
+Release:	3%{?dist}
 License:	BSD
 Group:		System Environment/Libraries
 URL:		http://libopenraw.freedesktop.org/wiki/Exempi
 Source0:	http://libopenraw.freedesktop.org/download/%{name}-%{version}.tar.bz2
-BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires:	boost-devel expat-devel zlib-devel pkgconfig
+Provides:	bundled(md5-polstra)
 
 %description
 Exempi provides a library for easy parsing of XMP metadata. It is a port of 
@@ -22,7 +22,7 @@ Requires:	pkgconfig
 
 %description devel
 This package contains the libraries and header files needed for
-developing with exempi
+developing with exempi.
 
 %prep
 %setup -q
@@ -39,32 +39,30 @@ make %{?_smp_mflags}
 make check
 
 %install
-rm -rf %{buildroot}
 make DESTDIR=%{buildroot} install
 
 rm -rf %{buildroot}%{_libdir}/*.la
 rm -rf %{buildroot}%{_libdir}/*.a
 
-%clean
-rm -rf %{buildroot}
-
 %post -p /sbin/ldconfig
 
 %postun -p /sbin/ldconfig
 
 %files
-%defattr(-, root, root, -)
 %doc AUTHORS ChangeLog COPYING README
 %{_bindir}/exempi
 %{_libdir}/*.so.*
 
 %files devel
-%defattr(-, root, root, -)
 %{_includedir}/exempi-2.0/
 %{_libdir}/*.so
 %{_libdir}/pkgconfig/*.pc
 
 %changelog
+* Thu Aug 16 2012 Mikolaj Izdebski <mizdebsk@redhat.com> - 2.2.0-3
+- Add bundled(md5-polstra) provides
+- Update to current guidelines
+
 * Thu Jul 19 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2.2.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild