diff --git a/kcalc.spec b/kcalc.spec
index 8c74b33..8b619a5 100644
--- a/kcalc.spec
+++ b/kcalc.spec
@@ -1,5 +1,5 @@
 Name:          kcalc
-Version:       23.08.5
+Version:       24.02.1
 Release:       1mamba
 Summary:       Scientific calculator
 Group:         Graphical Desktop/Applications/Utilities
@@ -7,26 +7,27 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://kde.org/
-Source:        http://download.kde.org/stable/release-service/%{version}/src/kcalc-%{version}.tar.xz
+Source:        https://download.kde.org/%{stable_kde6}/release-service/%{version}/src/kcalc-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: libgcc
+BuildRequires: libglvnd-devel
 BuildRequires: libgmp-devel
-BuildRequires: libkauth-devel
-BuildRequires: libkcodecs-devel
-BuildRequires: libkconfig-devel
-BuildRequires: libkconfigwidgets-devel
-BuildRequires: libkcoreaddons-devel
-BuildRequires: libkcrash-devel
-BuildRequires: libkguiaddons-devel
-BuildRequires: libki18n-devel
-BuildRequires: libknotifications-devel
-BuildRequires: libkwidgetsaddons-devel
-BuildRequires: libkxmlgui-devel
+BuildRequires: libkf6-kcolorscheme-devel
+BuildRequires: libkf6-kconfig-devel
+BuildRequires: libkf6-kconfigwidgets-devel
+BuildRequires: libkf6-kcoreaddons-devel
+BuildRequires: libkf6-kcrash-devel
+BuildRequires: libkf6-kguiaddons-devel
+BuildRequires: libkf6-ki18n-devel
+BuildRequires: libkf6-knotifications-devel
+BuildRequires: libkf6-kwidgetsaddons-devel
+BuildRequires: libkf6-kxmlgui-devel
 BuildRequires: libmpfr-devel
 BuildRequires: libstdc++6-devel
-BuildRequires: qt5-qtbase-devel
+BuildRequires: qt6-qt5compat-devel
+BuildRequires: qt6-qtbase-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 Provides:      kcalc4
@@ -40,41 +41,47 @@ Provides:      kcalc4
 %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-man --with-html --all-name || touch %{name}5_qt.lang
+%find_lang %{name} --with-qt --with-man --with-html --all-name || touch %{name}.lang
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
 %posttrans
 update-desktop-database -q >/dev/null 2>&1
-update-mime-database -n %{_kde5_mimedir} >/dev/null 2>&1
+update-mime-database -n %{_kf6_mimedir} >/dev/null 2>&1
 exit 0
 
 %postun
 if [ $1 -eq 0 ]; then
    update-desktop-database -q >/dev/null 2>&1
-   update-mime-database -n %{_kde5_mimedir} >/dev/null 2>&1
+   update-mime-database -n %{_kf6_mimedir} >/dev/null 2>&1
 fi
 exit 0
 
-%files -f %{name}5_qt.lang
+%files -f %{name}.lang
 %defattr(-,root,root)
-%{_kde5_bindir}/%{name}
+%{_kf6_bindir}/%{name}
 %{_datadir}/metainfo/org.kde.kcalc.appdata.xml
-%{_kde5_xdgappsdir}/org.kde.%{name}.desktop
-%{_kde5_kconfupdatedir}/kcalcrc.upd
+%{_datadir}/applications/org.kde.%{name}.desktop
+%{_datadir}/kconf_update/kcalcrc.upd
 %{_datadir}/kglobalaccel/org.kde.kcalc.desktop
-%{_kde5_kcfgdir}/%{name}.kcfg
+%{_kf6_kcfgdir}/%{name}.kcfg
 %doc LICENSES
 
 %changelog
+* Fri Mar 22 2024 Automatic Build System <autodist@openmamba.org> 24.02.1-1mamba
+- automatic version update by autodist
+
+* Fri Mar 01 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