diff --git a/libksane.spec b/libksane.spec
index 6aa5b34..14c088e 100644
--- a/libksane.spec
+++ b/libksane.spec
@@ -1,5 +1,5 @@
 Name:          libksane
-Version:       20.12.2
+Version:       20.12.3
 Release:       1mamba
 Summary:       SANE Library interface for KDE
 Group:         Graphical Desktop/Libraries/KDE
@@ -25,7 +25,6 @@ BuildRequires: libstdc++6-devel
 BuildRequires: cmake
 Provides:      libksane5
 Obsoletes:     libksane5
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Libksane is a KDE interface for SANE library to control flat scanners.
@@ -98,6 +97,9 @@ exit 0
 %doc ChangeLog NEWS TODO
 
 %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