diff --git a/python-nacl.spec b/python-nacl.spec
index 2add8d2..5d4efe4 100644
--- a/python-nacl.spec
+++ b/python-nacl.spec
@@ -1,6 +1,7 @@
+%define pkgname PyNaCl
 Name:          python-nacl
 Version:       1.5.0
-Release:       3mamba
+Release:       4mamba
 Summary:       A Python binding to libsodium, which is a fork of the Networking and Cryptography library
 Group:         System/Libraries
 Vendor:        openmamba
@@ -12,15 +13,15 @@ License:       Apache License 2.0
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: libpython311-devel
+BuildRequires: python3.11dist(cffi)
 ## AUTOBUILDREQ-END
-BuildRequires: python3-devel >= 3.11.5-3mamba
-BuildRequires: libpython-devel
-Requires:      python >= %python_version
 
 %description
 %{summary}.
 
 %if 0%{?with_pyver}
+%define py_requires_append \
+Obsoletes:    python-nacl-py310 < 1.5.0-4mamba
 %pyver_package
 %endif
 
@@ -28,29 +29,31 @@ Requires:      python >= %python_version
 %setup -q -n PyNaCl-%{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 "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)
-## note: this list is just an example; modify as required
-# %{python_sitearch}/%{name}.py*
-# %{python_sitearch}/%{name}.so
+%dir %{python_sitearch}/%{pkgname}-%{version}.dist-info
+%{python_sitearch}/%{pkgname}-%{version}.dist-info/*
+%dir %{python_sitearch}/nacl
+%{python_sitearch}/nacl/*
 %doc LICENSE
-## note: add extra documentation (if any)
-# %doc README.rst
 
 %changelog
+* Thu Jan 18 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 1.5.0-4mamba
+- rebuilt with distdeps and python-build
+
 * Tue Sep 26 2023 Automatic Build System <autodist@mambasoft.it> 1.5.0-3mamba
 - rebuilt by autoport with build requirements: python3-devel>=3.11.5-3mamba