diff --git a/klettres.spec b/klettres.spec
index e7c1444..d71faab 100644
--- a/klettres.spec
+++ b/klettres.spec
@@ -1,5 +1,5 @@
 Name:          klettres
-Version:       23.08.5
+Version:       24.02.1
 Release:       1mamba
 Summary:       Learn The Alphabet
 Group:         Graphical Desktop/Applications/Educational
@@ -7,27 +7,26 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://apps.kde.org/education/klettres/
-Source:        http://download.kde.org/stable/release-service/%{version}/src/klettres-%{version}.tar.xz
+Source:        https://download.kde.org/%{stable_kde6}/release-service/%{version}/src/klettres-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libQt5Svg-devel
-BuildRequires: libattica5-devel
 BuildRequires: libgcc
-BuildRequires: libkauth-devel
-BuildRequires: libkcodecs-devel
-BuildRequires: libkconfig-devel
-BuildRequires: libkconfigwidgets-devel
-BuildRequires: libkcoreaddons-devel
-BuildRequires: libkcrash-devel
-BuildRequires: libki18n-devel
-BuildRequires: libknewstuff-devel
-BuildRequires: libkservice-devel
-BuildRequires: libkwidgetsaddons-devel
-BuildRequires: libkxmlgui-devel
-BuildRequires: libphonon-devel
+BuildRequires: libglvnd-devel
+BuildRequires: libkf6-attica-devel
+BuildRequires: libkf6-kcolorscheme-devel
+BuildRequires: libkf6-kconfig-devel
+BuildRequires: libkf6-kconfigwidgets-devel
+BuildRequires: libkf6-kcoreaddons-devel
+BuildRequires: libkf6-kcrash-devel
+BuildRequires: libkf6-ki18n-devel
+BuildRequires: libkf6-knewstuff-devel
+BuildRequires: libkf6-kwidgetsaddons-devel
+BuildRequires: libkf6-kxmlgui-devel
+BuildRequires: libphonon-qt6-devel
 BuildRequires: libstdc++6-devel
-BuildRequires: qt5-qtbase-devel
+BuildRequires: qt6-qtbase-devel
+BuildRequires: qt6-qtsvg-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 Provides:      klettres4 = %{?epoch:%epoch:}%{version}-%{release}
@@ -50,49 +49,54 @@ Features:
 %setup -q
 
 %build
-%cmake_kde5 -d build
-%make
+%cmake_kf6
+%cmake_build
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-%makeinstall -C build
+%cmake_install
 
-%find_lang %{name}5_qt --with-qt --with-html --all-name || touch %{name}5_qt.lang
+%find_lang %{name} --with-qt --with-html --all-name || touch %{name}.lang
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
 %post
-touch --no-create %{_kde5_icondir}/hicolor &>/dev/null
+touch --no-create %{_kf6_icondir}/hicolor &>/dev/null
 exit 0
 
 %posttrans
 update-desktop-database -q &>/dev/null
-gtk-update-icon-cache %{_kde5_icondir}/hicolor &>/dev/null
+gtk-update-icon-cache %{_kf6_icondir}/hicolor &>/dev/null
 exit 0
 
 %postun
 if [ $1 -eq 0 ]; then
    update-desktop-database -q &>/dev/null
-   touch --no-create %{_kde5_icondir}/hicolor &>/dev/null
-   gtk-update-icon-cache %{_kde5_icondir}/hicolor &>/dev/null
+   touch --no-create %{_kf6_icondir}/hicolor &>/dev/null
+   gtk-update-icon-cache %{_kf6_icondir}/hicolor &>/dev/null
 fi
 exit 0
 
-%files -f %{name}5_qt.lang
+%files -f %{name}.lang
 %defattr(-,root,root)
-%{_kde5_bindir}/%{name}
-%{_kde5_datadir}/%{name}
-%{_kde5_icondir}/hicolor/*/apps/%{name}.png
-%{_kde5_kcfgdir}/%{name}.kcfg
-%{_kde5_sharedir}/metainfo/org.kde.klettres.appdata.xml
+%{_kf6_bindir}/%{name}
+%{_kf6_datadir}/%{name}
+%{_kf6_icondir}/hicolor/*/apps/%{name}.png
+%{_kf6_kcfgdir}/%{name}.kcfg
+%{_datadir}/metainfo/org.kde.klettres.appdata.xml
 %{_datadir}/applications/org.kde.klettres.desktop
-%{_datadir}/kxmlgui5/klettres/klettresui.rc
-%{_datadir}/qlogging-categories5/klettres.categories
+%{_datadir}/qlogging-categories6/klettres.categories
 %{_datadir}/knsrcfiles/klettres.knsrc
 %doc LICENSES
 
 %changelog
+* Fri Mar 22 2024 Automatic Build System <autodist@openmamba.org> 24.02.1-1mamba
+- automatic version update by autodist
+
+* Thu Feb 29 2024 Automatic Build System <autodist@openmamba.org> 24.02.0-1mamba
+- automatic version update by autodist
+
 * Fri Feb 16 2024 Automatic Build System <autodist@openmamba.org> 23.08.5-1mamba
 - automatic version update by autodist