diff --git a/kbackup.spec b/kbackup.spec
index 03d409d..1cfcc39 100644
--- a/kbackup.spec
+++ b/kbackup.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          kbackup
-Version:       20.12.2
+Version:       20.12.3
 Release:       1mamba
 Summary:       KDE Frameworks 5 backup program with an easy to use User Interface
 Group:         Graphical Desktop/Applications/Utilities
@@ -38,7 +38,6 @@ BuildRequires: libstdc++6-devel
 BuildRequires: cmake
 BuildRequires: rpm-macros-kde5
 BuildRequires: extra-cmake-modules
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 KDE Frameworks 5 backup program with an easy to use User Interface.
@@ -76,6 +75,9 @@ KDE Frameworks 5 backup program with an easy to use User Interface.
 
 
 %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