diff --git a/python-httplib2.spec b/python-httplib2.spec
index b502b41..f910c7d 100644
--- a/python-httplib2.spec
+++ b/python-httplib2.spec
@@ -1,16 +1,17 @@
 Name:          python-httplib2
-Version:       0.19.1
-Release:       2mamba
+Version:       0.20.1
+Release:       1mamba
 Summary:       A comprehensive HTTP client library
 Group:         System/Libraries/Python
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           https://bitworking.org/projects/httplib2/
+URL:           https://github.com/httplib2/httplib2
 Source:        https://pypi.debian.net/httplib2/httplib2-%{version}.tar.gz
 License:       MIT
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: libpython3-devel
+BuildRequires: python3.7dist(pyparsing)
 ## AUTOBUILDREQ-END
 
 %description
@@ -45,6 +46,9 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 %{python_sitearch}/httplib2-%{version}-py*.egg-info/*
 
 %changelog
+* Sat Oct 16 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 0.20.1-1mamba
+- update to 0.20.1
+
 * Sun Apr 04 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 0.19.1-2mamba
 - rebuilt with distdeps and py3 target