diff --git a/kcron.spec b/kcron.spec
index 6d068d4..1a44b28 100644
--- a/kcron.spec
+++ b/kcron.spec
@@ -1,5 +1,5 @@
 Name:          kcron
-Version:       20.12.2
+Version:       20.12.3
 Release:       1mamba
 Summary:       An editor for the cron command scheduler
 Group:         Graphical Desktop/Applications/Administration
@@ -31,7 +31,6 @@ BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
 BuildRequires: automoc4
 BuildRequires: cmake
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Kcron is an editor for the cron command scheduler.
@@ -63,6 +62,9 @@ Kcron is an editor for the cron command scheduler.
 %doc AUTHORS COPYING
 
 %changelog
+* Fri Mar 05 2021 Automatic Build System <autodist@mambasoft.it> 20.12.3-1mamba
+- automatic version update by autodist
+
 * Fri Feb 05 2021 Automatic Build System <autodist@mambasoft.it> 20.12.2-1mamba
 - automatic version update by autodist