diff --git a/python-async-timeout.spec b/python-async-timeout.spec
index d68b571..01bdb6f 100644
--- a/python-async-timeout.spec
+++ b/python-async-timeout.spec
@@ -1,5 +1,5 @@
 Name:          python-async-timeout
-Version:       3.0.1
+Version:       4.0.0
 Release:       1mamba
 Summary:       asyncio-compatible timeout context manager
 Group:         System/Libraries
@@ -10,11 +10,9 @@ URL:           https://pypi.org/project/async-timeout/
 Source:        https://pypi.debian.net/async-timeout/async-timeout-%{version}.tar.gz
 License:       Apache License 2.0
 ## AUTOBUILDREQ-BEGIN
-## note: run 'autospec -u -a6 python-async-timeout' to get the list of build requirements.
 ## AUTOBUILDREQ-END
 BuildRequires: libpython-devel
 Requires:      python >= %python_version
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 %{summary}.
@@ -45,5 +43,8 @@ sed -i "s,.*/man/.*,&.gz," %{name}.filelist
 %doc LICENSE
 
 %changelog
+* Tue Nov 02 2021 Automatic Build System <autodist@mambasoft.it> 4.0.0-1mamba
+- automatic version update by autodist
+
 * Wed Sep 30 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 3.0.1-1mamba
 - package created using the webbuild interface