diff --git a/python-jsonschema.spec b/python-jsonschema.spec
index affc0f1..39cb4f2 100644
--- a/python-jsonschema.spec
+++ b/python-jsonschema.spec
@@ -1,6 +1,6 @@
 Name:          python-jsonschema
 Version:       3.2.0
-Release:       1mamba
+Release:       2mamba
 Summary:       jsonschema is an implementation of JSON Schema for Python
 Group:         System/Libraries
 Vendor:        openmamba
@@ -10,12 +10,16 @@ URL:           http://pypi.python.org/pypi/jsonschema
 Source:        https://pypi.debian.net/jsonschema/jsonschema-%{version}.tar.gz
 License:       MIT
 ## AUTOBUILDREQ-BEGIN
-BuildRequires: libpython-devel
+BuildRequires: libpython3-devel
 ## AUTOBUILDREQ-END
-BuildRequires: python-argparse
-BuildRequires: python-nose
-BuildRequires: python-setuptools
-Requires:      python >= %python_version
+#BuildRequires: python-argparse
+#BuildRequires: python-nose
+BuildRequires: python-setuptools-py3
+Requires:      python3 >= %python3_version
+Requires:      python-importlib_metadata-py3
+Requires:      python-pyrsistent-py3
+Requires:      python-attrs-py3
+Requires:      python-zipp-py3
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -25,15 +29,15 @@ BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 %setup -q -n jsonschema-%{version}
 
 %build
-CFLAGS="%{optflags}" %{__python} setup.py build
+CFLAGS="%{optflags}" %{__python3} setup.py build
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-%{__python} setup.py install \
+%{__python3} setup.py install \
    -O1 --skip-build \
    --root="%{buildroot}" \
    --install-headers=%{_includedir}/python \
-   --install-lib=%{python_sitearch} \
+   --install-lib=%{python3_sitearch} \
    --record=%{name}.filelist
 
 #sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
@@ -43,6 +47,9 @@ CFLAGS="%{optflags}" %{__python} setup.py build
 %doc COPYING README.rst
 
 %changelog
+* Sat Apr 18 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 3.2.0-2mamba
+- rebuilt with python3
+
 * Tue Nov 26 2019 Automatic Build System <autodist@mambasoft.it> 3.2.0-1mamba
 - automatic version update by autodist