diff --git a/python-entrypoints.spec b/python-entrypoints.spec
index 25518b8..9d4e41d 100644
--- a/python-entrypoints.spec
+++ b/python-entrypoints.spec
@@ -1,6 +1,6 @@
 %define pkgname %(echo %name | cut -d- -f2-)
 Name:          python-entrypoints
-Version:       0.3
+Version:       0.4
 Release:       1mamba
 Summary:       Discover and load entry points from installed packages
 Group:         System/Libraries
@@ -25,24 +25,30 @@ BuildRequires: libpython3-devel
 %setup -q -n entrypoints-%{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=%{python_inc} \
-   --install-lib=%{python_sitearch} \
-   --record=%{name}.filelist
+%{__python} -m installer --destdir=%{buildroot} dist/*.whl
 
-sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
+#%if "%{?with_pyver}" != "3"
+## Rename any conflicting file outside of python site packages tree
+#for f in %{_bindir}/pdm; do
+#   mv %{buildroot}${f}{,-%{?pyappend}}
+#done
+#%endif
 
-%files %{?pyappend} -f %{name}.filelist
+%files %{?pyappend}
 %defattr(-,root,root)
-%{python_sitearch}/%{pkgname}-%{version}-py*.egg-info
+%dir %{python_sitelib}/%{pkgname}-%{version}.dist-info
+%{python_sitelib}/%{pkgname}-%{version}.dist-info/*
+%{python_sitelib}/entrypoints.py
+%{python_sitelib}/__pycache__/entrypoints*.pyc
 %doc LICENSE
 
 %changelog
+* Mon Mar 06 2023 Automatic Build System <autodist@mambasoft.it> 0.4-1mamba
+- automatic version update by autodist
+
 * Tue Oct 19 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 0.3-1mamba
 - package created using the webbuild interface