diff --git a/kreversi.spec b/kreversi.spec
index 83c65b6..884d947 100644
--- a/kreversi.spec
+++ b/kreversi.spec
@@ -1,5 +1,5 @@
 Name:          kreversi
-Version:       20.12.2
+Version:       20.12.3
 Release:       1mamba
 Summary:       Reversi Board Game
 Group:         Graphical Desktop/Applications/Games
@@ -39,7 +39,6 @@ BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
 BuildRequires: automoc4
 BuildRequires: cmake
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Reversi Board Game.
@@ -99,6 +98,9 @@ exit 0
 %doc AUTHORS COPYING COPYING.DOC
 
 %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