diff --git a/python-sip.spec b/python-sip.spec
index 2f70352..0a8e9da 100644
--- a/python-sip.spec
+++ b/python-sip.spec
@@ -1,5 +1,5 @@
 Name:          python-sip
-Version:       4.16.1
+Version:       4.16.4
 Release:       1mamba
 Summary:       Python extension module generator for C and C++ libraries
 Group:         System/Libraries/Python
@@ -21,22 +21,41 @@ BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 %description
 SIP is an extension module generator similar to SWIG but is specifically designed for creating Python modules.
 
-%package devel
+%package %{?with_pyver:py%{with_pyver}-}devel
 Summary:       Development files for SIP
 Group:         Development/Libraries
 Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 
-%description devel
+%description %{?with_pyver:py%{with_pyver}-}devel
 SIP is an extension module generator similar to SWIG but is specifically designed for creating Python modules.
-
 This package contains header files need for development.
 
+%if "%?with_pyver"
+%define pyver           %{with_pyver}
+%define __python        %(rpm --eval %{__python%{with_pyver}})
+%define python_sitearch %(rpm --eval %{python%{with_pyver}_sitearch})
+%define python_sitelib  %(rpm --eval %{python%{with_pyver}_sitelib})
+%define python_inc      %(rpm --eval %{python%{with_pyver}_inc})
+%define python_version  %(rpm --eval %{python%{with_pyver}_version})
+%define python_provides %(rpm --eval %{python%{with_pyver}_provides})
+%define python_requires %(rpm --eval %{python%{with_pyver}_requires})
+%define py_requires     %(rpm --eval %{py%{with_pyver}_requires})
+
+%package py%{pyver}
+Group:         System/Libraries/Python
+Summary:       Python %{pyver} extension module generator for C and C++ libraries
+%py_requires
+
+%description py%{pyver}
+SIP is an extension module generator similar to SWIG but is specifically designed for creating Python modules.
+%endif
+
 %prep
 %setup -q -n sip-%{version}
 
 %build
-%{__python27} configure.py CXXFLAGS="%{optflags}" CFLAGS="%{optflags}" \
-  -d %{python27_sitearch}
+%{__python} configure.py CXXFLAGS="%{optflags}" CFLAGS="%{optflags}" \
+  -d %{python_sitearch}
 
 %make
 
@@ -49,21 +68,34 @@ install -d -m0755 %{buildroot}%{_datadir}/sip
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
-%files
+%files %{?with_pyver:py%{pyver}}
 %defattr(-,root,root)
-%{python27_sitearch}/*.so
+%{python_sitearch}/*.so
 %doc LICENSE*
 
-%files devel
+%files %{?with_pyver:py%{pyver}-}devel
 %defattr(-,root,root)
 %{_bindir}/sip
 %dir %{_datadir}/sip
-%{_includedir}/python%{python27_version}/sip.h
-%{python27_sitearch}/*.py
+%if "%?with_pyver"
+%{python3_inc}/sip.h
+%else
+%{_includedir}/python%{python_version}/sip.h
+%endif
+%{python_sitearch}/*.py
 %doc NEWS README
 %doc doc/*
 
 %changelog
+* Fri Nov 14 2014 Silvan Calarco <silvan.calarco@mambasoft.it> 4.16.4-1mamba
+- update to 4.16.4
+
+* Fri Nov 14 2014 Silvan Calarco <silvan.calarco@mambasoft.it> 4.16.3-2mamba
+- -py3 support
+
+* Sun Sep 21 2014 Automatic Build System <autodist@mambasoft.it> 4.16.3-1mamba
+- automatic version update by autodist
+
 * Sat Jun 14 2014 Automatic Build System <autodist@mambasoft.it> 4.16.1-1mamba
 - automatic version update by autodist