diff --git a/step.spec b/step.spec
index f43e121..909809d 100644
--- a/step.spec
+++ b/step.spec
@@ -1,5 +1,5 @@
 Name:          step
-Version:       23.08.5
+Version:       24.02.1
 Release:       1mamba
 Summary:       Interactive Physical Simulator
 Group:         Graphical Desktop/Applications/Educational
@@ -7,7 +7,7 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://apps.kde.org/education/step/
-Source:        http://download.kde.org/stable/release-service/%{version}/src/step-%{version}.tar.xz
+Source:        https://download.kde.org/%{stable_kde6}/release-service/%{version}/src/step-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -73,56 +73,60 @@ 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
 /sbin/ldconfig
-touch --no-create %{_kde5_icondir}/hicolor &>/dev/null
+touch --no-create %{_kf6_icondir}/hicolor &>/dev/null
 exit 0
 
 %posttrans
 /sbin/ldconfig
 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
 /sbin/ldconfig
 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_kcfgdir}/%{name}.kcfg
-%{_kde5_icondir}/hicolor/*/apps/%{name}.png
-%{_kde5_icondir}/hicolor/*/actions/*.png
-%{_kde5_datadir}/metainfo/org.kde.step.appdata.xml
+%{_kf6_bindir}/%{name}
+%{_kf6_datadir}/%{name}
+%{_kf6_kcfgdir}/%{name}.kcfg
+%{_datadir}/applications/org.kde.step.desktop
+%{_kf6_datadir}/metainfo/org.kde.step.appdata.xml
 %{_datadir}/mime/packages/org.kde.step.xml
-#%{_datadir}/kxmlgui5/step/stepui.rc
-%{_kde5_xdgappsdir}/org.kde.%{name}.desktop
+%{_datadir}/applications/org.kde.%{name}.desktop
 %{_datadir}/knsrcfiles/step.knsrc
 %lang(nn) %{_datadir}/locale/nn/LC_SCRIPTS/step/step.js
+%{_kf6_icondir}/hicolor/*/apps/%{name}.png
+%{_kf6_icondir}/hicolor/*/actions/*.png
 %doc AUTHORS LICENSES
-#COPYING COPYING.DOC
-#ChangeLog README TODO
 
 %changelog
+* Fri Mar 22 2024 Automatic Build System <autodist@openmamba.org> 24.02.1-1mamba
+- automatic version update by autodist
+
+* Tue Mar 05 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