diff --git a/libwnck.spec b/libwnck.spec
index 4f4976b..78a96d5 100644
--- a/libwnck.spec
+++ b/libwnck.spec
@@ -1,7 +1,7 @@
-%define apiver %(echo %version | cut -d. -f 1).0
-%define majver %(echo %version | cut -d. -f 1-2)
+%define apiver 3
+%define majver %(echo %version | cut -d. -f 1)
 Name:          libwnck
-Version:       3.36.0
+Version:       40.1
 Release:       1mamba
 Summary:       libwnck implements pagers, tasklists, and other such things
 Group:         System/Libraries
@@ -9,42 +9,23 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://www.gnome.org
-Source:        http://ftp.gnome.org/pub/GNOME/sources/libwnck/%{majver}/%{name}-%{version}.tar.xz
+Source:        https://download.gnome.org/sources/libwnck/%{majver}/%{name}-%{version}.tar.xz
 License:       LGPL
 BuildRequires: pkgconfig
 BuildRequires: gettext-devel
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: gtk-doc
-BuildRequires: libatk-devel
-BuildRequires: libcairo-devel
-BuildRequires: libexpat-devel
-BuildRequires: libfontconfig-devel
-BuildRequires: libfreetype-devel
-BuildRequires: libglib-devel
-BuildRequires: libglitz-devel
-BuildRequires: libgtk-devel
-BuildRequires: libICE-devel
-BuildRequires: libpango-devel
-BuildRequires: libpixman-devel
-BuildRequires: libpng-devel
-BuildRequires: libpthread-stubs-devel
-BuildRequires: libselinux-devel
-BuildRequires: libSM-devel
-BuildRequires: libstartup-notification-devel
-BuildRequires: libstdc++6-devel
-BuildRequires: libuuid-devel
 BuildRequires: libX11-devel
-BuildRequires: libXau-devel
-BuildRequires: libxcb-devel
-BuildRequires: libxcb-util-devel
-BuildRequires: libXdmcp-devel
-BuildRequires: libXext-devel
 BuildRequires: libXrender-devel
 BuildRequires: libXres-devel
-BuildRequires: libz-devel
+BuildRequires: libatk-devel
+BuildRequires: libcairo-devel
+BuildRequires: libgdk-pixbuf-devel
+BuildRequires: libglib-devel
+BuildRequires: libgtk3-devel
+BuildRequires: libpango-devel
+BuildRequires: libstartup-notification-devel
 ## AUTOBUILDREQ-END
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Libwnck (pronounced "libwink") is used to implement pagers, tasklists, and other such things.
@@ -56,8 +37,7 @@ Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 
 %description devel
 Libwnck (pronounced "libwink") is used to implement pagers, tasklists, and other such things.
-
-This package contains static libraries and header files need for development.
+This package contains static libraries and header files needed for development.
 
 %package apidocs
 Summary:       %{name} API documentation
@@ -67,12 +47,14 @@ Requires:      gtk-doc
 %description apidocs
 %{name} API documentation.
 
+%debug_package
+
 %prep
 %setup -q
 
 %build
 %meson \
-   -Dgtk-doc=true
+   -Dgtk_doc=true
    
 %meson_build
 
@@ -82,7 +64,7 @@ Requires:      gtk-doc
 
 rm -f %{buildroot}%{_libdir}/*.la
 
-%{find_lang} %{name}-%{apiver}
+%{find_lang} %{name} --all-name
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf %{buildroot}
@@ -90,28 +72,32 @@ rm -f %{buildroot}%{_libdir}/*.la
 %post -p /sbin/ldconfig
 %postun -p /sbin/ldconfig
 
-%files -f %{name}-%{apiver}.lang
+%files -f %{name}.lang
 %defattr(-,root,root)
-%{_bindir}/wnck-urgency-monitor
-%{_libdir}/libwnck-3.so.*
+%{_libdir}/libwnck-%{apiver}.so.*
+%{_libdir}/girepository-1.0/Wnck-*.typelib
 %doc AUTHORS COPYING
 
 %files devel
 %defattr(-,root,root)
-%{_bindir}/wnckprop
-%{_libdir}/libwnck-3.so
-%{_libdir}/girepository-1.0/Wnck-*.typelib
-%{_datadir}/gir-1.0/Wnck-*.gir
-%{_libdir}/pkgconfig/*.pc
 %dir %{_includedir}/libwnck-?.?/libwnck
 %{_includedir}/libwnck-?.?/libwnck/*.h
+%{_bindir}/wnck-urgency-monitor
+%{_bindir}/wnckprop
+%{_libdir}/libwnck-%{apiver}.so
+%{_datadir}/gir-1.0/Wnck-*.gir
+%{_libdir}/pkgconfig/*.pc
 %doc ChangeLog NEWS README
 
-#%files apidocs
-#%defattr(-,root,root)
-#%{_datadir}/gtk-doc/html/%{name}-%{apiver}/
+%files apidocs
+%defattr(-,root,root)
+%dir %{_datadir}/gtk-doc/html/%{name}-%{apiver}.0
+%{_datadir}/gtk-doc/html/%{name}-%{apiver}.0/*
 
 %changelog
+* Sat May 14 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 40.1-1mamba
+- update to 40.1
+
 * Tue Feb 09 2021 Automatic Build System <autodist@mambasoft.it> 3.36.0-1mamba
 - automatic version update by autodist