diff --git a/libgweather.spec b/libgweather.spec
index f1c049a..39b930a 100644
--- a/libgweather.spec
+++ b/libgweather.spec
@@ -1,8 +1,9 @@
 #% define apiver %(echo %version | cut -d. -f 1).0
-%define apiver 3.0
+%define apiver 4.0
 %define majver %(echo %version | cut -d. -f 1)
 Name:          libgweather
-Version:       40.0
+Epoch:         1
+Version:       4.0.0
 Release:       1mamba
 Summary:       GNOME weather library
 Group:         System/Libraries
@@ -10,19 +11,16 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://www.gnome.org/
-Source:        http://ftp.acc.umu.se/pub/gnome/sources/libgweather/%{majver}/libgweather-%{version}.tar.xz
+Source:        https://gitlab.gnome.org/GNOME/libgweather.git/%{version}/libgweather-%{version}.tar.bz2
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: libgeocode-glib-devel
 BuildRequires: libglib-devel
-BuildRequires: libgtk3-devel
-BuildRequires: libsoup-devel
+BuildRequires: libsoup2-devel
 BuildRequires: libxml2-devel
 ## AUTOBUILDREQ-END
 BuildRequires: glade-devel
-BuildRequires: libgeocode-glib-devel
-BuildRequires: libgnome-vfs-devel
 
 %description
 GNOME weather library.
@@ -36,6 +34,14 @@ Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 GNOME weather library.
 This package contains static libraries and header files needed for development.
 
+%package apidocs
+Summary:       %{name} API documentation
+Group:         Documentation
+Requires:      gtk-doc
+
+%description apidocs
+%{name} API documentation.
+
 %debug_package
 
 %prep
@@ -48,7 +54,6 @@ This package contains static libraries and header files needed for development.
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-export DESTDIR=%{buildroot}
 %meson_install
 
 %find_lang %{name} --all-name
@@ -62,28 +67,36 @@ export DESTDIR=%{buildroot}
 
 %files -f %{name}.lang
 %defattr(-,root,root)
-%{_libdir}/libgweather-3.so.*
-%{_libdir}/girepository-1.0/GWeather-3.0.typelib
-%dir %{_libdir}/libgweather
-%{_libdir}/libgweather/Locations.bin
-%{_datadir}/glib-2.0/schemas/org.gnome.GWeather.enums.xml
-%{_datadir}/glib-2.0/schemas/org.gnome.GWeather.gschema.xml
-%dir %{_datadir}/libgweather
-%{_datadir}/libgweather/*.xml
-%{_datadir}/libgweather/locations.dtd
+%{_libdir}/libgweather-4.so.*
+%{_libdir}/girepository-1.0/GWeather-4.0.typelib
+%dir %{_libdir}/libgweather-4
+%{_libdir}/libgweather-4/Locations.bin
+%{_datadir}/glib-2.0/schemas/org.gnome.GWeather4.enums.xml
+%{_datadir}/glib-2.0/schemas/org.gnome.GWeather4.gschema.xml
+%dir %{_datadir}/libgweather-4
+%{_datadir}/libgweather-4/*
 %doc COPYING
 
 %files devel
 %defattr(-,root,root)
+%dir %{_includedir}/libgweather-%{apiver}
+%dir %{_includedir}/libgweather-%{apiver}/libgweather
 %{_includedir}/libgweather-%{apiver}/libgweather/*.h
-%{_datadir}/glade/catalogs/libgweather.xml
-%{_libdir}/libgweather-3.so
-%{_datadir}/vala/vapi/gweather-3.0.*
-%{_datadir}/gir-1.0/GWeather-3.0.gir
+%{_libdir}/libgweather-4.so
+%{_datadir}/vala/vapi/gweather4.*
+%{_datadir}/gir-1.0/GWeather-4.0.gir
 %{_libdir}/pkgconfig/*.pc
-%doc NEWS
+#%doc NEWS
+
+%files apidocs
+%defattr(-,root,root)
+%dir %{_docdir}/libgweather-%{apiver}
+%{_docdir}/libgweather-%{apiver}/*
 
 %changelog
+* Fri Jun 24 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.0-1mamba
+- update to 4.0.0
+
 * Tue May 25 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 40.0-1mamba
 - update to 40.0