diff --git a/kosmindoormap.spec b/kosmindoormap.spec
index 996f107..79fe1ed 100644
--- a/kosmindoormap.spec
+++ b/kosmindoormap.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          kosmindoormap
-Version:       20.12.2
+Version:       20.12.3
 Release:       1mamba
 Summary:       A library and QML component for rendering multi-level OSM indoor maps
 Group:         Graphical Desktop/Applications/Graphics
@@ -26,7 +26,6 @@ BuildRequires: cmake
 BuildRequires: rpm-macros-kde5
 BuildRequires: extra-cmake-modules
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 A library and QML component for rendering multi-level OSM indoor maps of for example a (large) train station.
@@ -99,6 +98,9 @@ exit 0
 %{_libdir}/libKOSMIndoorMap.so
 
 %changelog
+* Wed Mar 17 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