diff --git a/python-simplejson.spec b/python-simplejson.spec
index 74fe4a2..af9a8f0 100644
--- a/python-simplejson.spec
+++ b/python-simplejson.spec
@@ -1,5 +1,5 @@
 Name:          python-simplejson
-Version:       3.17.2
+Version:       3.17.3
 Release:       1mamba
 Summary:       Simple, fast, extensible JSON encoder/decoder for Python
 Group:         System/Libraries/Python
@@ -11,13 +11,12 @@ Source:        http://pypi.debian.net/simplejson/simplejson-%{version}.tar.gz
 License:       MIT
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libpython-devel
+BuildRequires: libpython3-devel
 ## AUTOBUILDREQ-END
 BuildRequires: libpython3-devel >= 3.7.4
 BuildRequires: python-nose
 BuildRequires: python-setuptools-devel
 Requires:      python >= %python_version
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 simplejson is a simple, fast, complete, correct and extensible JSON <http://json.org> encoder and decoder for Python 2.4+.  It is pure Python code with no dependencies, but includes an optional C extension for a serious speed boost.
@@ -79,6 +78,9 @@ nosetests -q
 %doc LICENSE.txt
 
 %changelog
+* Sat Jul 10 2021 Automatic Build System <autodist@mambasoft.it> 3.17.3-1mamba
+- automatic version update by autodist
+
 * Sat Jul 18 2020 Automatic Build System <autodist@mambasoft.it> 3.17.2-1mamba
 - automatic version update by autodist