diff --git a/kdesdk-thumbnailers.spec b/kdesdk-thumbnailers.spec
index b33206c..c361135 100644
--- a/kdesdk-thumbnailers.spec
+++ b/kdesdk-thumbnailers.spec
@@ -1,5 +1,5 @@
 Name:          kdesdk-thumbnailers
-Version:       20.12.2
+Version:       20.12.3
 Release:       1mamba
 Summary:       A plugin to allow KDE software to create thumbnails for Gettext translations files (po)
 Group:         Graphical Desktop/Applications/Development
@@ -20,7 +20,6 @@ BuildRequires: libstdc++6-devel
 BuildRequires: automoc4
 BuildRequires: cmake
 Requires:      kdelibs%{?_kde4_version: >= %{_kde4_version}}
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 A plugin to allow KDE software to create thumbnails for Gettext translations files (po).
@@ -52,6 +51,9 @@ This package is part of the KDE Software Development Kit module.
 %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