diff --git a/libqtxdg.spec b/libqtxdg.spec
index 7afebfc..7c6cd33 100644
--- a/libqtxdg.spec
+++ b/libqtxdg.spec
@@ -1,5 +1,5 @@
 Name:          libqtxdg
-Version:       3.12.0
+Version:       4.0.0
 Release:       1mamba
 Summary:       A Qt 5 implementation of freedesktop.org XDG specifications
 Group:         System/Libraries
@@ -11,11 +11,12 @@ Source:        https://github.com/lxqt/libqtxdg.git/%{version}/libqtxdg-%{versio
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libQt5Svg-devel
 BuildRequires: libgcc
 BuildRequires: libglib-devel
+BuildRequires: libglvnd-devel
 BuildRequires: libstdc++6-devel
-BuildRequires: qt5-qtbase-devel
+BuildRequires: qt6-qtbase-devel
+BuildRequires: qt6-qtsvg-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 BuildRequires: lxqt-build-tools-devel
@@ -62,26 +63,26 @@ This package contains utility applications for %{name}.
 
 %files
 %defattr(-,root,root)
-%{_libdir}/libQt5Xdg.so.*
-%{_libdir}/libQt5XdgIconLoader.so.*
-%{_libdir}/qt5/plugins/iconengines/libQt5XdgIconPlugin.so
+%{_libdir}/libQt6Xdg.so.*
+%{_libdir}/libQt6XdgIconLoader.so.*
+%{_libdir}/qt6/plugins/iconengines/libQt6XdgIconPlugin.so
 %doc AUTHORS COPYING
 
 %files devel
 %defattr(-,root,root)
-%dir %{_includedir}/qt5xdg
-%{_includedir}/qt5xdg/*
-%dir %{_includedir}/qt5xdgiconloader
-%{_includedir}/qt5xdgiconloader/%{version}/private/xdgiconloader/xdgiconloader_p.h
-%{_includedir}/qt5xdgiconloader/xdgiconloader_export.h
-%{_libdir}/libQt5Xdg.so
-%{_libdir}/libQt5XdgIconLoader.so
-%{_libdir}/pkgconfig/Qt5Xdg.pc
-%{_libdir}/pkgconfig/Qt5XdgIconLoader.pc
-%dir %{_datadir}/cmake/qt5xdg
-%{_datadir}/cmake/qt5xdg/qt5xdg-*.cmake
-%dir %{_datadir}/cmake/qt5xdgiconloader
-%{_datadir}/cmake/qt5xdgiconloader/qt5xdgiconloader-*.cmake
+%dir %{_includedir}/qt6xdg
+%{_includedir}/qt6xdg/*
+%dir %{_includedir}/qt6xdgiconloader
+%{_includedir}/qt6xdgiconloader/%{version}/private/xdgiconloader/xdgiconloader_p.h
+%{_includedir}/qt6xdgiconloader/xdgiconloader_export.h
+%{_libdir}/libQt6Xdg.so
+%{_libdir}/libQt6XdgIconLoader.so
+%{_libdir}/pkgconfig/Qt6Xdg.pc
+%{_libdir}/pkgconfig/Qt6XdgIconLoader.pc
+%dir %{_datadir}/cmake/qt6xdg
+%{_datadir}/cmake/qt6xdg/qt6xdg-*.cmake
+%dir %{_datadir}/cmake/qt6xdgiconloader
+%{_datadir}/cmake/qt6xdgiconloader/qt6xdgiconloader-*.cmake
 %doc README.md
 
 %files tools
@@ -91,6 +92,9 @@ This package contains utility applications for %{name}.
 #%{_bindir}/qtxdg-mat
 
 %changelog
+* Tue Apr 23 2024 Automatic Build System <autodist@openmamba.org> 4.0.0-1mamba
+- automatic version update by autodist
+
 * Sun Nov 05 2023 Automatic Build System <autodist@mambasoft.it> 3.12.0-1mamba
 - automatic version update by autodist