diff --git a/python-incremental.spec b/python-incremental.spec
index 435e42c..60f1acc 100644
--- a/python-incremental.spec
+++ b/python-incremental.spec
@@ -1,5 +1,5 @@
 Name:          python-incremental
-Version:       17.5.0
+Version:       21.3.0
 Release:       1mamba
 Summary:       A small library that versions your Python projects
 Group:         System/Libraries
@@ -13,7 +13,6 @@ License:       BSD
 BuildRequires: libpython-devel
 ## AUTOBUILDREQ-END
 Requires:      python >= %python_version
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 %{summary}.
@@ -49,5 +48,8 @@ sed -i "s,.*/man/.*,&.gz," %{name}.filelist
 # %doc README.rst
 
 %changelog
+* Tue Mar 02 2021 Automatic Build System <autodist@mambasoft.it> 21.3.0-1mamba
+- automatic version update by autodist
+
 * Thu Jan 10 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 17.5.0-1mamba
 - package created using the webbuild interface