diff --git a/python-virtualenv.spec b/python-virtualenv.spec
index 82686d9..398aa69 100644
--- a/python-virtualenv.spec
+++ b/python-virtualenv.spec
@@ -1,5 +1,5 @@
 Name:          python-virtualenv
-Version:       20.4.2
+Version:       20.4.3
 Release:       1mamba
 Summary:       Virtual Python Environment builder
 Group:         System/Libraries/Python
@@ -24,7 +24,6 @@ Requires:      python-zipp-py3
 Provides:      python-virtualenv-py3
 Obsoletes:     python-virtualenv-py3 < 20.4.0
 Obsoletes:     python-virtualenv-py36 < 20.4.0
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 BuildArch:     noarch
 
 %description
@@ -82,6 +81,9 @@ install -d %{buildroot}%{_mandir}/man1
 %defattr(-,root,root)
 
 %changelog
+* Wed Mar 17 2021 Automatic Build System <autodist@mambasoft.it> 20.4.3-1mamba
+- automatic version update by autodist
+
 * Wed Feb 03 2021 Automatic Build System <autodist@mambasoft.it> 20.4.2-1mamba
 - automatic version update by autodist