diff --git a/sweeper.spec b/sweeper.spec
index 1bcbdb1..a6ba3de 100644
--- a/sweeper.spec
+++ b/sweeper.spec
@@ -1,15 +1,14 @@
 Name:          sweeper
-Version:       21.08.3
+Version:       21.12.0
 Release:       1mamba
 Summary:       A system cleaner tool
 Group:         Graphical Desktop/Applications/Utilities
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      Davide Madrisan <davide.madrisan@gmail.com>
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://kde.org/
 Source:        http://download.kde.org/stable/release-service/%{version}/src/sweeper-%{version}.tar.xz
 License:       GPL
-BuildRequires: cmake
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: libgcc
@@ -27,10 +26,11 @@ BuildRequires: libkservice-devel
 BuildRequires: libktextwidgets-devel
 BuildRequires: libkwidgetsaddons-devel
 BuildRequires: libkxmlgui-devel
-BuildRequires: libqt5-devel
 BuildRequires: libsonnet-devel
 BuildRequires: libstdc++6-devel
+BuildRequires: qt5-qtbase-devel
 ## AUTOBUILDREQ-END
+BuildRequires: cmake
 Obsoletes:     kdeutils < 4.8.0
 Provides:      sweeper4 = %{?epoch:%epoch:}%{version}-%{release}
 Obsoletes:     sweeper4 < 21.04.0
@@ -78,9 +78,12 @@ exit 0
 %{_datadir}/kxmlgui5/sweeper/sweeperui.rc
 %{_datadir}/qlogging-categories5/sweeper.categories
 %{_datadir}/dbus-1/interfaces/org.kde.%{name}.xml
-%doc COPYING.LIB
+%doc LICENSES
 
 %changelog
+* Mon Dec 13 2021 Automatic Build System <autodist@mambasoft.it> 21.12.0-1mamba
+- automatic version update by autodist
+
 * Fri Nov 05 2021 Automatic Build System <autodist@mambasoft.it> 21.08.3-1mamba
 - automatic version update by autodist