diff --git a/README.md b/README.md
index 51fe9e1..72ff7d1 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,3 @@
 # python-virtualenv
 
 virtualenv is a tool to create isolated Python environments.
-
diff --git a/python-virtualenv.spec b/python-virtualenv.spec
index d1565e3..957f211 100644
--- a/python-virtualenv.spec
+++ b/python-virtualenv.spec
@@ -1,5 +1,5 @@
 Name:          python-virtualenv
-Version:       16.7.2
+Version:       16.7.9
 Release:       1mamba
 Summary:       Virtual Python Environment builder
 Group:         System/Libraries/Python
@@ -13,38 +13,43 @@ License:       MIT
 BuildRequires: libpython-devel
 ## AUTOBUILDREQ-END
 BuildRequires: help2man
-%if "%{?with_pyver}"
+#%if "%{?with_pyver}"
+#Requires:      python3 >= %python3_version
+#Requires:      libpython3-devel
+#Requires:      python-setuptools-py3
+#%else
+#Requires:      python >= %python_version
+#Requires:      libpython-devel
+#Requires:      python-setuptools
+#%endif
 Requires:      python3 >= %python3_version
 Requires:      libpython3-devel
 Requires:      python-setuptools-py3
-%else
-Requires:      python >= %python_version
-Requires:      libpython-devel
-Requires:      python-setuptools
-%endif
+Obsoletes:     python-virtualenv-py3
+Obsoletes:     python-virtualenv-py36
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 BuildArch:     noarch
 
 %description
 virtualenv is a tool to create isolated Python environments.
 
-%if "%{?with_pyver}"
-%pyver_package
-%endif
+#% if "%{?with_pyver}"
+#% pyver_package
+#% endif
 
 %prep
 %setup -q -n virtualenv-%{version}
 
 %build
-%{__python} setup.py build
+%{__python3} setup.py build
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-%{__python} setup.py install \
+%{__python3} setup.py install \
    -O1 --skip-build \
    --root="%{buildroot}" \
    --install-headers=%{_includedir}/python \
-   --install-lib=%{python_sitearch} \
+   --install-lib=%{python3_sitearch} \
    --single-version-externally-managed \
    --record=%{name}.filelist
 
@@ -55,19 +60,19 @@ install -d %{buildroot}%{_mandir}/man1
 #   --output=%{buildroot}%{_mandir}/man1/virtualenv.1 \
 #   ./virtualenv.py
 
-%if "%{?with_pyver}" == "36"
-ln -s virtualenv %{buildroot}%{_bindir}/virtualenv3
-echo "%{_bindir}/virtualenv3" >> %{name}.filelist
-%else
-%if "%{?with_pyver}" == "3"
-mv %{buildroot}%{_bindir}/virtualenv %{buildroot}%{_bindir}/virtualenv33
-sed -i "s|%{_bindir}/virtualenv|%{_bindir}/virtualenv33|" %{name}.filelist
-%else
-mv %{buildroot}%{_bindir}/virtualenv %{buildroot}%{_bindir}/virtualenv2
-sed -i "s|%{_bindir}/virtualenv|%{_bindir}/virtualenv2|" %{name}.filelist
-#mv %{buildroot}%{_mandir}/man1/virtualenv.1 %{buildroot}%{_mandir}/man1/virtualenv2.1
-%endif
-%endif
+#%if "%{?with_pyver}" == "36"
+#ln -s virtualenv %{buildroot}%{_bindir}/virtualenv3
+#echo "%{_bindir}/virtualenv3" >> %{name}.filelist
+#%else
+#%if "%{?with_pyver}" == "3"
+#mv %{buildroot}%{_bindir}/virtualenv %{buildroot}%{_bindir}/virtualenv33
+#sed -i "s|%{_bindir}/virtualenv|%{_bindir}/virtualenv33|" %{name}.filelist
+#%else
+#mv %{buildroot}%{_bindir}/virtualenv %{buildroot}%{_bindir}/virtualenv2
+#sed -i "s|%{_bindir}/virtualenv|%{_bindir}/virtualenv2|" %{name}.filelist
+##mv %{buildroot}%{_mandir}/man1/virtualenv.1 %{buildroot}%{_mandir}/man1/virtualenv2.1
+#%endif
+#%endif
 
 #echo "%{_mandir}/man1/virtualenv.1" >> %{name}.filelist
 
@@ -78,9 +83,11 @@ sed -i "s|%{_bindir}/virtualenv|%{_bindir}/virtualenv2|" %{name}.filelist
 
 %files  %{?pyappend} -f %{name}.filelist
 %defattr(-,root,root)
-#%{_mandir}/man1/virtualenv*.1*
 
 %changelog
+* Tue Jan 21 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 16.7.9-1mamba
+- update to 16.7.9
+
 * Fri Aug 09 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 16.7.2-1mamba
 - update to 16.7.2