diff --git a/soqt.spec b/soqt.spec
index 3e188cc..5585e9e 100644
--- a/soqt.spec
+++ b/soqt.spec
@@ -1,21 +1,34 @@
 Name:          soqt
-Version:       1.5.0
+Version:       1.6.3
 Release:       1mamba
 Summary:       A glue between Coin 3D and QT
 Group:         Graphical Desktop/Libraries/QT
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      Ercole 'ercolinux' Carpanetto <ercole69@gmail.com>
-URL:           https://bitbucket.org/Coin3D/coin/wiki/Home
-Source:        https://bitbucket.org/Coin3D/coin/downloads/SoQt-%{version}.zip
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://github.com/coin3d/soqt
+Source:        https://github.com/coin3d/soqt.git/v%{version}/soqt-%{version}.tar.bz2
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
-## note: run 'autospec -u -a6 soqt' to get the list of build requirements.
+BuildRequires: glibc-devel
+BuildRequires: libICE-devel
+BuildRequires: libQt6Core
+BuildRequires: libQt6Gui
+BuildRequires: libQt6OpenGL
+BuildRequires: libQt6Widgets
+BuildRequires: libSM-devel
+BuildRequires: libX11-devel
+BuildRequires: libXext-devel
+BuildRequires: libXi-devel
+BuildRequires: libcoin-devel
+BuildRequires: libgcc
+BuildRequires: libglu-devel
+BuildRequires: libglvnd-devel
+BuildRequires: libstdc++6-devel
+BuildRequires: qt6-qtbase-devel
 ## AUTOBUILDREQ-END
-BuildRequires: coin
 BuildRequires: libcoin-devel
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 SoQt provides the glue between Systems in Motion's Coin high-level 3D visualization library and Qt 2D user interface library.
@@ -23,6 +36,7 @@ SoQt provides the glue between Systems in Motion's Coin high-level 3D visualizat
 %package -n lib%{name}
 Group:         System/Libraries
 Summary:       Shared libraries for %{name}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 
 %description -n lib%{name}
 This package contains shared libraries for %{name}.
@@ -31,43 +45,39 @@ This package contains shared libraries for %{name}.
 Group:         Development/Libraries
 Summary:       Development files for %{name}
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
-## note: you can add this requirement if .pc files are provided by this package
-#Requires:      pkg-config
+Requires:      pkg-config
 
 %description -n lib%{name}-devel
 This package contains libraries and header files for developing applications that use %{name}.
 
-
 %debug_package
 
 %prep
-%setup -q -n SoQt-%{version}
+%setup -q
 
 %build
-%configure --with-coin --disable-html-help --enable-debug=no 
+%cmake -d build
+
 %make
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-%makeinstall
+%makeinstall -C build
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
-%post -n lib%{name} -p /sbin/ldconfig
-%postun -n lib%{name} -p /sbin/ldconfig
 
 %files
 %defattr(-,root,root)
-%{_bindir}/soqt-config
-%{_mandir}/man1/soqt-config.1.gz
-%doc AUTHORS COPYING
+%dir %{_datadir}/SoQt
+%dir %{_datadir}/SoQt/materials
+%{_datadir}/SoQt/materials/*
 
 %files -n lib%{name}
 %defattr(-,root,root)
-%{_libdir}/libSoQt.so
-%{_libdir}/libSoQt.so.20
-%{_libdir}/libSoQt.so.20.5.0
+%{_libdir}/libSoQt.so.*
+%doc AUTHORS COPYING
 
 %files -n lib%{name}-devel
 %defattr(-,root,root)
@@ -77,13 +87,15 @@ This package contains libraries and header files for developing applications tha
 %{_includedir}/Inventor/Qt/nodes/*.h
 %{_includedir}/Inventor/Qt/viewers/*.h
 %{_includedir}/Inventor/Qt/widgets/*.h
-%{_libdir}/*.la
+%{_libdir}/libSoQt.so
+%dir %{_libdir}/cmake/SoQt-%{version}
+%{_libdir}/cmake/SoQt-1.6.3/soqt-*.cmake
 %{_libdir}/pkgconfig/SoQt.pc
-%{_datadir}/Coin/conf/soqt-default.cfg
-%{_datadir}/aclocal/soqt.m4
-%doc ChangeLog NEWS README README.IRIX README.MACOSX README.WIN32
-
+%doc ChangeLog NEWS README
 
 %changelog
+* Mon Nov 18 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 1.6.3-1mamba
+- update to 1.6.3
+
 * Sat Jun 11 2016 Ercole 'ercolinux' Carpanetto <ercole69@gmail.com> 1.5.0-1mamba
 - package created using the webbuild interface