diff --git a/kalarm.spec b/kalarm.spec
index 5a51a55..bfad848 100644
--- a/kalarm.spec
+++ b/kalarm.spec
@@ -1,8 +1,8 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          kalarm
-Version:       22.12.3
-Release:       1mamba
+Version:       23.04.0
+Release:       3mamba
 Summary:       KDE Frameworks 5 personal alarm message, audio, command and email scheduler
 Group:         Graphical Desktop/Applications/Office
 Vendor:        openmamba
@@ -49,6 +49,7 @@ BuildRequires: libknotifications-devel
 BuildRequires: libknotifyconfig-devel
 BuildRequires: libkpimtextedit-devel
 BuildRequires: libkservice-devel
+BuildRequires: libktextaddons-devel
 BuildRequires: libktextwidgets-devel
 BuildRequires: libkwallet-devel
 BuildRequires: libkwidgetsaddons-devel
@@ -63,10 +64,21 @@ BuildRequires: qt5-qtbase-devel
 BuildRequires: cmake
 BuildRequires: rpm-macros-kde5
 BuildRequires: extra-cmake-modules
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+Obsoletes:     kalarmcal <= 21.12.3
 
 %description
 KDE Frameworks 5 personal alarm message, audio, command and email scheduler.
 
+%package -n lib%{name}
+Group:         System/Libraries
+Summary:       Shared libraries for %{name}
+Obsoletes:     libkalarmcal <= 21.12.3
+Obsoletes:     libkalarmcal-devel <= 21.12.3
+
+%description -n lib%{name}
+This package contains shared libraries for %{name}.
+
 %debug_package
 
 %prep
@@ -85,15 +97,11 @@ KDE Frameworks 5 personal alarm message, audio, command and email scheduler.
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
-%files -f %{name}5_qt.lang
+%files
 %defattr(-,root,root)
 %{_sysconfdir}/xdg/autostart/kalarm.autostart.desktop
 %{_bindir}/kalarm
 %{_bindir}/kalarmautostart
-%{_libdir}/libkalarmcalendar.so.*
-%{_libdir}/libkalarmplugin.so.*
-%{_libdir}/qt5/plugins/pim5/kalarm/akonadiplugin.so
-%{_libexecdir}/kf5/kauth/kalarm_helper
 %{_datadir}/applications/org.kde.kalarm.desktop
 %{_datadir}/config.kcfg/kalarmconfig.kcfg
 %{_datadir}/dbus-1/interfaces/org.kde.kalarm.kalarm.xml
@@ -107,9 +115,25 @@ KDE Frameworks 5 personal alarm message, audio, command and email scheduler.
 %{_datadir}/qlogging-categories5/kalarm.renamecategories
 %{_datadir}/icons/hicolor/*/apps/kalarm.png
 %{_datadir}/kalarm/icons/oxygen/*/actions/*.png
+
+%files -n lib%{name} -f %{name}5_qt.lang
+%defattr(-,root,root)
+%{_libdir}/libkalarmcalendar.so.*
+%{_libdir}/libkalarmplugin.so.*
+%{_libdir}/qt5/plugins/pim5/kalarm/akonadiplugin.so
+%{_libexecdir}/kf5/kauth/kalarm_helper
 %doc AUTHORS LICENSES
 
 %changelog
+* Thu May 04 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 23.04.0-3mamba
+- libkalarm: also obsolete libkalarmcal-devel
+
+* Thu May 04 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 23.04.0-2mamba
+- obsolete kalarmcal; add libkalarm subpackage
+
+* Fri Apr 28 2023 Automatic Build System <autodist@mambasoft.it> 23.04.0-1mamba
+- automatic version update by autodist
+
 * Sat Mar 04 2023 Automatic Build System <autodist@mambasoft.it> 22.12.3-1mamba
 - automatic version update by autodist