diff --git a/kcolorchooser.spec b/kcolorchooser.spec
index 7069aac..930c6ab 100644
--- a/kcolorchooser.spec
+++ b/kcolorchooser.spec
@@ -1,5 +1,5 @@
 Name:          kcolorchooser
-Version:       20.12.2
+Version:       20.12.3
 Release:       1mamba
 Summary:       A color chooser application
 Group:         Graphical Desktop/Applications/Graphics
@@ -19,7 +19,6 @@ BuildRequires: cmake
 Provides:      kcolorchooser4
 Obsoletes:     kcolorchooser4
 #Requires:      kde-workspace
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Kcolorchooser is a color chooser application for KDE.
@@ -70,6 +69,9 @@ exit 0
 %doc 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