diff --git a/partitionmanager.spec b/partitionmanager.spec
index ca0b505..7ef9301 100644
--- a/partitionmanager.spec
+++ b/partitionmanager.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          partitionmanager
-Version:       4.1.0
+Version:       4.2.0
 Release:       1mamba
 Summary:       KDE 5 partition manager
 Group:         Graphical Desktop/Applications/Administration
@@ -10,10 +10,10 @@ Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://www.kde.org
 Source:        https://download.kde.org/stable/partitionmanager/%{version}/src/partitionmanager-%{version}.tar.xz
-# Source:        http://download.kde.org/stable/frameworks/%{majver}/...-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: ldconfig
 BuildRequires: libgcc
 BuildRequires: libkauth-devel
 BuildRequires: libkcodecs-devel
@@ -24,12 +24,12 @@ BuildRequires: libkcoreaddons-devel
 BuildRequires: libkcrash-devel
 BuildRequires: libkdbusaddons-devel
 BuildRequires: libki18n-devel
-BuildRequires: libkiconthemes-devel
 BuildRequires: libkio-devel
 BuildRequires: libkjobwidgets-devel
 BuildRequires: libkpmcore-devel
 BuildRequires: libkservice-devel
 BuildRequires: libkwidgetsaddons-devel
+BuildRequires: libkwindowsystem-devel
 BuildRequires: libkxmlgui-devel
 BuildRequires: libqt5-devel
 BuildRequires: libstdc++6-devel
@@ -37,6 +37,7 @@ BuildRequires: libstdc++6-devel
 BuildRequires: cmake
 BuildRequires: rpm-macros-kde5
 BuildRequires: extra-cmake-modules
+BuildRequires: libkpmcore-devel >= %{majver}
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -68,9 +69,12 @@ KDE 5 partition manager.
 %{_datadir}/icons/hicolor/scalable/apps/partitionmanager.svg
 %{_datadir}/kxmlgui5/partitionmanager/partitionmanagerui.rc
 %{_datadir}/metainfo/org.kde.partitionmanager.appdata.xml
-%doc COPYING.md
+%doc LICENSES/*
 
 %changelog
+* Sat Nov 07 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 4.2.0-1mamba
+- update to 4.2.0
+
 * Sat May 23 2020 Automatic Build System <autodist@mambasoft.it> 4.1.0-1mamba
 - automatic version update by autodist