diff --git a/kpmcore.spec b/kpmcore.spec
index 3533173..0afd615 100644
--- a/kpmcore.spec
+++ b/kpmcore.spec
@@ -1,5 +1,5 @@
 Name:          kpmcore
-Version:       20.12.2
+Version:       20.12.3
 Release:       1mamba
 Summary:       Library for managing partitions
 Group:         System/Libraries
@@ -30,7 +30,6 @@ BuildRequires: libuuid-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Library for managing partitions. Common code for KDE Partition Manager and other projects.
@@ -89,6 +88,9 @@ This package contains libraries and header files for developing applications tha
 %{_libdir}/libkpmcore.so
 
 %changelog
+* Fri Mar 05 2021 Automatic Build System <autodist@mambasoft.it> 20.12.3-1mamba
+- automatic version update by autodist
+
 * Sat Feb 06 2021 Automatic Build System <autodist@mambasoft.it> 20.12.2-1mamba
 - automatic version update by autodist