diff --git a/python-apipkg.spec b/python-apipkg.spec
index 9bcc74c..f44f4ad 100644
--- a/python-apipkg.spec
+++ b/python-apipkg.spec
@@ -1,5 +1,6 @@
+%define pkgname %(echo %name | cut -d- -f2- | tr - _)
 Name:          python-apipkg
-Version:       2.1.1
+Version:       3.0.1
 Release:       1mamba
 Summary:       A namespace control and lazy-import mechanism for Python
 Group:         System/Libraries/Python
@@ -26,30 +27,24 @@ It is a small pure python module that works on virtually all Python versions.
 %setup -q -n apipkg-%{version}
 
 %build
-%{__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} \
-   --single-version-externally-managed \
-   --record=%{name}.filelist
+%{__python} -m installer --destdir=%{buildroot} dist/*.whl
 
-sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
-
-%clean
-[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-
-%files %{?pyappend} -f %{name}.filelist
+%files %{?pyappend}
 %defattr(-,root,root)
-%dir %{python_sitearch}/apipkg-%{version}-py*.egg-info
-%{python_sitearch}/apipkg-%{version}-py*.egg-info/*
-%doc CHANGELOG
+%dir %{python_sitelib}/%{pkgname}-%{version}.dist-info
+%{python_sitelib}/%{pkgname}-%{version}.dist-info/*
+%dir %{python_sitelib}/%{pkgname}
+%{python_sitelib}/%{pkgname}/*
+%doc LICENSE
 
 %changelog
+* Fri Oct 07 2022 Automatic Build System <autodist@mambasoft.it> 3.0.1-1mamba
+- automatic version update by autodist
+
 * Mon May 09 2022 Automatic Build System <autodist@mambasoft.it> 2.1.1-1mamba
 - automatic version update by autodist