diff --git a/python-acme.spec b/python-acme.spec
index 57091e7..575d643 100644
--- a/python-acme.spec
+++ b/python-acme.spec
@@ -1,12 +1,12 @@
 Name:          python-acme
-Version:       1.15.0
+Version:       1.16.0
 Release:       1mamba
 Summary:       ACME protocol implementation for Python
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           https://github.com/letsencrypt/letsencrypt
+URL:           https://github.com/certbot/certbot
 Source:        https://pypi.debian.net/acme/acme-%{version}.tar.gz
 License:       Apache License 2.0
 ## AUTOBUILDREQ-BEGIN
@@ -54,6 +54,9 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 %{python_sitearch}/acme-%{version}-py*.egg-info/*
 
 %changelog
+* Mon Jun 14 2021 Automatic Build System <autodist@mambasoft.it> 1.16.0-1mamba
+- automatic version update by autodist
+
 * Sat May 08 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 1.15.0-1mamba
 - update to 1.15.0