diff --git a/python-acme.spec b/python-acme.spec
index 0a92b24..ad2033f 100644
--- a/python-acme.spec
+++ b/python-acme.spec
@@ -1,6 +1,6 @@
 Name:          python-acme
-Version:       1.2.0
-Release:       1mamba
+Version:       1.3.0
+Release:       3mamba
 Summary:       ACME protocol implementation for Python
 Group:         System/Libraries
 Vendor:        openmamba
@@ -15,15 +15,40 @@ BuildRequires: libpython-devel
 BuildRequires: python-cryptography >= 1.5.2-2mamba
 BuildRequires: python-pyOpenSSL
 Requires:      python >= %python_version
+Requires:      python-cryptography >= 1.5.2-2mamba
+Requires:      python-pyOpenSSL
 Requires:      python-ndg-httpsclient
 Requires:      python-werkzeug
-Requires:      python-pyOpenSSL
-Requires:      python-cryptography >= 1.5.2-2mamba
+Requires:      python-requests-toolbelt
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 %{summary}.
 
+%if "%?with_pyver"
+%define pyver           %{with_pyver}
+%define pyappend        py%{with_pyver}
+%define __python        %(rpm --eval %{__python%{with_pyver}})
+%define python_sitearch %(rpm --eval %{python%{with_pyver}_sitearch})
+%define python_sitelib  %(rpm --eval %{python%{with_pyver}_sitelib})
+%define python_inc      %(rpm --eval %{python%{with_pyver}_inc})
+%define python_version  %(rpm --eval %{python%{with_pyver}_version})
+%define python_provides %(rpm --eval %{python%{with_pyver}_provides})
+%define python_requires %(rpm --eval %{python%{with_pyver}_requires})
+%define py_requires     %(rpm --eval %{py%{with_pyver}_requires})
+
+%package py%{pyver}
+Group:         System/Libraries/Python
+Summary:       %{summary}.
+Requires:      python-cryptography-%{?pyappend}
+Requires:      python-pyOpenSSL-%{?pyappend}
+Requires:      python-requests-toolbelt-%{?pyappend}
+%py_requires
+
+%description py%{pyver}
+%{summary}.
+%endif
+
 %prep
 %setup -q -n acme-%{version}
 
@@ -44,12 +69,21 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 #% check
 #python setup.py nosetests
 
-%files -f %{name}.filelist
+%files %{?pyappend} -f %{name}.filelist
 %defattr(-,root,root)
 %dir %{python_sitearch}/acme-%{version}-py*.egg-info
 %{python_sitearch}/acme-%{version}-py*.egg-info/*
 
 %changelog
+* Sat Apr 11 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 1.3.0-3mamba
+- require python-requests-toolbelt-[py*]
+
+* Sat Apr 11 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 1.3.0-2mamba
+- rebuilt with py3* packages
+
+* Wed Mar 04 2020 Automatic Build System <autodist@mambasoft.it> 1.3.0-1mamba
+- automatic version update by autodist
+
 * Wed Feb 05 2020 Automatic Build System <autodist@mambasoft.it> 1.2.0-1mamba
 - automatic version update by autodist