diff --git a/python-packaging.spec b/python-packaging.spec
index c7fa990..177dddf 100644
--- a/python-packaging.spec
+++ b/python-packaging.spec
@@ -1,17 +1,17 @@
 Name:          python-packaging
-Version:       20.9
-Release:       2mamba
+Version:       21.0
+Release:       1mamba
 Summary:       Core utilities for Python packages
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           https://pypi.python.org/pypi/packaging
+URL:           https://pypi.org/project/packaging/
 Source:        https://pypi.debian.net/packaging/packaging-%{version}.tar.gz
 License:       BSD, Apache License 2.0
 ## AUTOBUILDREQ-BEGIN
-#python3.7dist(pyparsing): unidentified build requirement
 BuildRequires: libpython3-devel
+BuildRequires: python3.7dist(pyparsing)
 ## AUTOBUILDREQ-END
 
 %description
@@ -46,6 +46,9 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 %doc LICENSE
 
 %changelog
+* Sat Jul 03 2021 Automatic Build System <autodist@mambasoft.it> 21.0-1mamba
+- automatic version update by autodist
+
 * Wed Mar 31 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 20.9-2mamba
 - rebuilt with distdeps