diff --git a/certbot.spec b/certbot.spec
index 1b30f24..77eefbc 100644
--- a/certbot.spec
+++ b/certbot.spec
@@ -1,6 +1,6 @@
 Name:          certbot
 Version:       1.3.0
-Release:       2mamba
+Release:       3mamba
 Summary:       A fully-featured, extensible client for the Let's Encrypt CA
 Group:         System/Libraries
 Vendor:        openmamba
@@ -37,6 +37,12 @@ Requires:      python-six-py3
 Requires:      python-tz-py3
 Requires:      python-zope-component-py3
 Requires:      python-zope-interface-py3
+Requires:      python-pyrfc3339-py3
+Requires:      python-parsedatetime-py3
+Requires:      python-mock-py3
+Requires:      python-josepy-py3
+Requires:      python-configobj-py3
+Requires:      python-configargparse-py3
 Provides:      letsencrypt
 Obsoletes:     letsencrypt
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
@@ -128,6 +134,9 @@ _EOF
 #%defattr(-,root,root)
 
 %changelog
+* Fri May 01 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 1.3.0-3mamba
+- added certbot py3 requirements
+
 * Sat Apr 11 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 1.3.0-2mamba
 - rebuilt with python3