diff --git a/python-idna.spec b/python-idna.spec
index 1895fb5..2b107b7 100644
--- a/python-idna.spec
+++ b/python-idna.spec
@@ -1,5 +1,5 @@
 Name:          python-idna
-Version:       3.3
+Version:       3.4
 Release:       2mamba
 Summary:       Internationalized Domain Names in Applications (IDNA)
 Group:         System/Libraries
@@ -24,28 +24,26 @@ BuildRequires: libpython3-devel
 %setup -q -n idna-%{version}
 
 %build
-CFLAGS="%{optflags}" %{__python} setup.py build
+CFLAGS="%{optflags}" %{__python} -m build --no-isolation --wheel
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-%{__python} setup.py install \
-   -O1 --skip-build \
-   --root="%{buildroot}" \
-   --install-headers=%{_includedir}/python \
-   --install-lib=%{python_sitearch} \
-   --record=%{name}.filelist
+%{__python} -m installer --destdir=%{buildroot} dist/*.whl
 
-sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
-chmod -R +r %{buildroot}%{python_sitearch}/idna-*.egg-info
-
-%files %{?pyappend} -f %{name}.filelist
+%files %{?pyappend}
 %defattr(-,root,root)
-%dir %{python_sitearch}/idna-%{version}-py*.egg-info
-%{python_sitearch}/idna-%{version}-py*.egg-info/*
+%dir %{python_sitelib}/idna-%{version}.dist-info
+%{python_sitelib}/idna-%{version}.dist-info/*
+%dir %{python_sitelib}/idna
+%{python_sitelib}/idna/*
+%doc LICENSE.md
 
 %changelog
-* Sun Oct 09 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 3.3-2mamba
-- rebuilt with python 3.10
+* Mon Jan 23 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 3.4-2mamba
+- rebuilt with python 3.10 subpackage
+
+* Fri Oct 07 2022 Automatic Build System <autodist@mambasoft.it> 3.4-1mamba
+- automatic version update by autodist
 
 * Thu Oct 14 2021 Automatic Build System <autodist@mambasoft.it> 3.3-1mamba
 - automatic version update by autodist