diff --git a/python-html5lib.spec b/python-html5lib.spec
index 6fa7893..7e0ae5e 100644
--- a/python-html5lib.spec
+++ b/python-html5lib.spec
@@ -1,6 +1,6 @@
 Name:          python-html5lib
 Version:       1.0.1
-Release:       1mamba
+Release:       2mamba
 Summary:       HTML parser based on the HTML5 specifcation
 Group:         System/Libraries/Python
 Vendor:        openmamba
@@ -11,6 +11,7 @@ Source:        https://github.com/html5lib/html5lib-python.git/%{version}/html5l
 License:       MIT
 ## AUTOBUILDREQ-BEGIN
 ## AUTOBUILDREQ-END
+BuildRequires: libpython3-devel >= 3.7.4
 Requires:      python >= %python_version
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 BuildArch:     noarch
@@ -46,6 +47,9 @@ HTML parser based on the HTML5 specifcation.
 %defattr(-,root,root)
 
 %changelog
+* Fri Aug 09 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0.1-2mamba
+- rebuilt with python3 3.7.4
+
 * Wed Dec 27 2017 Automatic Build System <autodist@mambasoft.it> 1.0.1-1mamba
 - automatic version update by autodist