diff --git a/xfce4-session.spec b/xfce4-session.spec
index d304445..9538abf 100644
--- a/xfce4-session.spec
+++ b/xfce4-session.spec
@@ -1,6 +1,6 @@
 %define majver %(echo %version|cut -d. -f1-2)
 Name:          xfce4-session
-Version:       4.10.1
+Version:       4.12.1
 Release:       1mamba
 Summary:       Xfce Session manager
 Group:         Graphical Desktop/Applications/Other
@@ -10,9 +10,43 @@ Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://www.xfce.org/
 Source:        http://archive.xfce.org/src/xfce/xfce4-session/%{majver}/xfce4-session-%{version}.tar.bz2
 License:       GPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libICE-devel
+BuildRequires: libSM-devel
+BuildRequires: libX11-devel
+BuildRequires: libXau-devel
+BuildRequires: libXdmcp-devel
+BuildRequires: libatk-devel
+BuildRequires: libbsd-devel
+BuildRequires: libbzip2-devel
+BuildRequires: libcairo-devel
+BuildRequires: libdbus-devel
+BuildRequires: libdbus-glib-devel
+BuildRequires: libexpat-devel
+BuildRequires: libffi-devel
+BuildRequires: libfontconfig-devel
+BuildRequires: libfreetype-devel
+BuildRequires: libgdk-pixbuf-devel
+BuildRequires: libglib-devel
+BuildRequires: libgraphite2-devel
+BuildRequires: libgtk2-devel
+BuildRequires: libharfbuzz-devel
+BuildRequires: libpango-devel
+BuildRequires: libpng-devel
+BuildRequires: libpolkit-devel
+BuildRequires: libselinux-devel
+BuildRequires: libstartup-notification-devel
+BuildRequires: libuuid-devel
+BuildRequires: libwnck2-devel
+BuildRequires: libxcb-devel
+BuildRequires: libxfce4ui-devel
+BuildRequires: libxfce4util-devel
+BuildRequires: libz-devel
+BuildRequires: xfconf-devel
+## AUTOBUILDREQ-END
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
-Requires:      libxfcegui4 >= %{majver}
-BuildRequires: libxfcegui4-devel >= %{majver}
+#BuildRequires: libxfcegui4-devel >= %{majver}
 BuildRequires: libxfce4ui-devel >= %{majver}
 
 %description
@@ -29,7 +63,7 @@ Header files for the Xfce Session Manager.
 %package engines
 Summary:	Additional engines for xfce4-session
 Group:		Graphical Desktop/Applications/Other
-Requires:	xfce4-session
+Requires:   %{name} = %{?epoch:%epoch:}%{version}-%{release}
 
 %description engines
 Additional splash screen engines for the Xfce Session Manager.
@@ -50,6 +84,8 @@ Additional splash screen engines for the Xfce Session Manager.
 make install DESTDIR=$RPM_BUILD_ROOT mandir=%{_mandir}
 %makeinstall
 
+%find_lang %{name}
+
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
@@ -65,14 +101,14 @@ if [ -x %{_bindir}/gtk-update-icon-cache ]; then
    %{_bindir}/gtk-update-icon-cache --quiet %{_datadir}/icons/hicolor || :
 fi
 
-%files
+%files -f %{name}.lang
 %defattr(-,root,root)
 %{_sysconfdir}/xdg/*
 %{_bindir}/*
 %{_datadir}/applications/*
 %{_datadir}/icons/*
+%{_datadir}/polkit-1/actions/org.xfce.session.policy
 %{_datadir}/xsessions/xfce.desktop
-%{_datadir}/locale/*
 %{_libdir}/lib*.so.*
 %{_libdir}/xfce4/session/splash-engines/libmice.*
 %{_libdir}/xfce4/session/xfsm-shutdown-helper
@@ -98,6 +134,9 @@ fi
 #%{_libexecdir}/balou-*
 
 %changelog
+* Fri Mar 27 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 4.12.1-1mamba
+- update to 4.12.1
+
 * Fri May 10 2013 Automatic Build System <autodist@mambasoft.it> 4.10.1-1mamba
 - update to 4.10.1