diff --git a/dnf-plugins-core.spec b/dnf-plugins-core.spec
index cf9ddd3..639fc07 100644
--- a/dnf-plugins-core.spec
+++ b/dnf-plugins-core.spec
@@ -1,6 +1,6 @@
 Name:          dnf-plugins-core
-Version:       4.0.19
-Release:       2mamba
+Version:       4.0.21
+Release:       1mamba
 Summary:       Core DNF Plugins
 Group:         System/Management
 Vendor:        openmamba
@@ -22,7 +22,6 @@ Requires:      python-dbus-py3
 Provides:      yum-utils
 Obsoletes:     yum-utils
 Provides:      dnf-command(config-manager)
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Core DNF Plugins.
@@ -84,6 +83,9 @@ install -d -m0755 %{buildroot}/var/lib/dnf/plugins/local
 %doc AUTHORS COPYING
 
 %changelog
+* Wed Apr 14 2021 Automatic Build System <autodist@mambasoft.it> 4.0.21-1mamba
+- automatic version update by autodist
+
 * Fri Feb 05 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.19-2mamba
 - require python-dbus-py3