diff --git a/krfb.spec b/krfb.spec
index 997c9d1..39355d0 100644
--- a/krfb.spec
+++ b/krfb.spec
@@ -1,5 +1,5 @@
 Name:          krfb
-Version:       20.12.2
+Version:       20.12.3
 Release:       1mamba
 Summary:       Allows you to invite somebody at a remote location to access and possibly control your desktop
 Group:         Graphical Desktop/Applications/Networking
@@ -46,7 +46,6 @@ Provides:      libkrfb
 Obsoletes:     libkrfb
 Provides:      krfb4
 Obsoletes:     krfb4
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 KDE Desktop Sharing server allows you to invite somebody at a remote location to access and possibly control your desktop.
@@ -105,6 +104,9 @@ exit 0
 %doc AUTHORS COPYING COPYING.DOC COPYING.LIB
 
 %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