diff --git a/python-dnspython.spec b/python-dnspython.spec
index b87f4a7..4b1af40 100644
--- a/python-dnspython.spec
+++ b/python-dnspython.spec
@@ -1,6 +1,6 @@
 Name:          python-dnspython
 Version:       2.1.0
-Release:       1mamba
+Release:       2mamba
 Summary:       A DNS toolkit for Python
 Group:         System/Libraries
 Vendor:        openmamba
@@ -10,16 +10,16 @@ URL:           https://www.dnspython.org/
 Source:        https://pypi.debian.net/dnspython/dnspython-%{version}.zip
 License:       ISC
 ## AUTOBUILDREQ-BEGIN
-## note: run 'autospec -u -a6 python-dnspython' to get the list of build requirements.
+BuildRequires: libpython3-devel
 ## AUTOBUILDREQ-END
-BuildRequires: libpython-devel
-Requires:      python >= %python_version
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 %{summary}.
 
 %if 0%{?with_pyver}
+%py_requires_append \
+Provides:      dnspython
+Obsoletes:     dnspython <= 1.10.0
 %pyver_package
 %endif
 
@@ -38,18 +38,18 @@ CFLAGS="%{optflags}" %{__python} setup.py build
    --install-lib=%{python_sitearch} \
    --record=%{name}.filelist
 
-sed -i "s,.*/man/.*,&.gz," %{name}.filelist
+sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 
 %files %{?pyappend} -f %{name}.filelist
 %defattr(-,root,root)
-## note: this list is just an example; modify as required
-# %{python_sitearch}/%{name}.py*
-# %{python_sitearch}/%{name}.so
+%dir %{python_sitearch}/dnspython-%{version}-py*.egg-info
+%{python_sitearch}/dnspython-%{version}-py*.egg-info/*
 %doc LICENSE
-## note: add extra documentation (if any)
-# %doc README.md
 
 %changelog
+* Mon Apr 05 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 2.1.0-2mamba
+- obsolete dnspython
+
 * Sun Feb 21 2021 Automatic Build System <autodist@mambasoft.it> 2.1.0-1mamba
 - automatic version update by autodist