diff --git a/python-anyio.spec b/python-anyio.spec
index be03fc3..5458cc9 100644
--- a/python-anyio.spec
+++ b/python-anyio.spec
@@ -1,6 +1,6 @@
 %define pkgname %(echo %name | cut -d- -f2- | tr - _)
 Name:          python-anyio
-Version:       3.6.2
+Version:       4.0.0
 Release:       1mamba
 Summary:       High level compatibility layer for multiple asynchronous event loop implementations
 Group:         System/Libraries
@@ -12,9 +12,9 @@ Source:        https://pypi.debian.net/anyio/anyio-%{version}.tar.gz
 License:       MIT
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: libpython3-devel
+BuildRequires: python3.7dist(exceptiongroup)
 BuildRequires: python3.7dist(idna)
 BuildRequires: python3.7dist(sniffio)
-BuildRequires: python3.7dist(typing-extensions)
 ## AUTOBUILDREQ-END
 
 %description
@@ -24,30 +24,36 @@ BuildRequires: python3.7dist(typing-extensions)
 %pyver_package
 %endif
 
+
 %prep
 %setup -q -n anyio-%{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)
-%dir %{python_sitearch}/%{pkgname}-%{version}-py*.egg-info
-%{python_sitearch}/%{pkgname}-%{version}-py*.egg-info/*
+%dir %{python_sitelib}/%{pkgname}-%{version}.dist-info
+%{python_sitelib}/%{pkgname}-%{version}.dist-info/*
+%dir %{python_sitelib}/%{pkgname}
+%{python_sitelib}/%{pkgname}/*
 %doc LICENSE
 
 %changelog
+* Sun Sep 03 2023 Automatic Build System <autodist@mambasoft.it> 4.0.0-1mamba
+- automatic version update by autodist
+
 * Thu Oct 20 2022 Automatic Build System <autodist@mambasoft.it> 3.6.2-1mamba
 - automatic version update by autodist