diff --git a/kmail.spec b/kmail.spec
index 892f8f5..e54e9de 100644
--- a/kmail.spec
+++ b/kmail.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          kmail
-Version:       21.04.3
+Version:       21.08.0
 Release:       1mamba
 Summary:       KDE Frameworks 5 mail client
 Group:         Graphical Desktop/Applications/Internet
@@ -10,7 +10,6 @@ Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://kde.org/
 Source:        http://download.kde.org/stable/release-service/%{version}/src/kmail-%{version}.tar.xz
-# Source:        http://download.kde.org/stable/frameworks/%{majver}/...-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -82,9 +81,9 @@ Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 Requires:      kleopatra
 Requires:      kdepim-runtime >= %{version}
 Provides:      kmail4
-Obsoletes:     kmail4
-Obsoletes:     korn
-Obsoletes:     kdepim-core
+Obsoletes:     kmail4 < 21.08.0
+Obsoletes:     korn < 21.08.0
+Obsoletes:     kdepim-core < 21.08.0
 Requires:      pinentry-qt
 Requires:      kmail-account-wizard
 Requires:      mbox-importer
@@ -96,7 +95,6 @@ This package is part of KDE5, as a component of the KDE5 kdepim module.
 %package -n lib%{name}
 Group:         System/Libraries
 Summary:       Shared libraries for %{name}
-Obsoletes:     kdepim-core
 
 %description -n lib%{name}
 This package contains shared libraries for %{name}.
@@ -130,13 +128,9 @@ rm -f %{buildroot}%{_docdir}/HTML/nl/ktnef/index.cache.bz2
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
-%post -n lib%{name}
-/sbin/ldconfig
-exit 0
+%post -n lib%{name} -p /sbin/ldconfig
 
-%postun -n lib%{name}
-/sbin/ldconfig
-exit 0
+%postun -n lib%{name} -p /sbin/ldconfig
 
 %files -f %{name}5_qt.lang
 %defattr(-,root,root)
@@ -145,6 +139,10 @@ exit 0
 %{_bindir}/kmail-refresh-settings
 %{_bindir}/ktnef
 %{_libdir}/qt5/plugins/akonadi/config/*.so
+%dir %{_libdir}/qt5/plugins/pim/kcms/kmail
+%{_libdir}/qt5/plugins/pim/kcms/kmail/kcm_kmail_*.so
+%{_libdir}/qt5/plugins/pim/kcms/summary/kcmkmailsummary.so
+%{_libdir}/qt5/plugins/pim/kcms/summary/kcmkontactsummary.so
 %{_datadir}/akonadi/agents/*.desktop
 %{_datadir}/applications/kmail_view.desktop
 %{_datadir}/applications/org.kde.kmail2.desktop
@@ -181,6 +179,9 @@ exit 0
 %doc LICENSES
 
 %changelog
+* Sun Aug 22 2021 Automatic Build System <autodist@mambasoft.it> 21.08.0-1mamba
+- automatic version update by autodist
+
 * Fri Jul 09 2021 Automatic Build System <autodist@mambasoft.it> 21.04.3-1mamba
 - automatic version update by autodist