diff --git a/python-diff-match-patch.spec b/python-diff-match-patch.spec
index 125bc6a..d1c39d7 100644
--- a/python-diff-match-patch.spec
+++ b/python-diff-match-patch.spec
@@ -1,17 +1,18 @@
 Name:          python-diff-match-patch
 Version:       20181111
-Release:       1mamba
+Release:       2mamba
 Summary:       Robust algorithms to perform the operations required for synchronizing plain text
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://pypi.python.org/pypi/diff-match-patch/
-Source:        https://pypi.python.org/packages/source/d/diff-match-patch/diff-match-patch-%{version}.tar.gz
+Source:        https://pypi.debian.net/diff-match-patch/diff-match-patch-%{version}.tar.gz
 License:       Apache License 2.0
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: libpython-devel
 ## AUTOBUILDREQ-END
+BuildRequires: libpython3-devel >= 3.7.4
 Requires:      python >= %python_version
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
@@ -46,6 +47,9 @@ chmod -R o+r %{buildroot}
 %doc LICENSE
 
 %changelog
+* Thu Aug 08 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 20181111-2mamba
+- rebuilt with python3 3.7.4
+
 * Fri Dec 28 2018 Automatic Build System <autodist@mambasoft.it> 20181111-1mamba
 - automatic version update by autodist