diff --git a/exo.spec b/exo.spec
index c18aa9b..dd28baa 100644
--- a/exo.spec
+++ b/exo.spec
@@ -1,6 +1,6 @@
 %define        majver %(echo %version | cut -d. -f1-2)
 Name:          exo
-Version:       0.12.11
+Version:       4.16.0
 Release:       1mamba
 Summary:       Application library for the Xfce desktop environment
 Group:         Development/Libraries
@@ -8,31 +8,42 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://libexo.os-cillation.com/
-Source:        http://archive.xfce.org/src/xfce/exo/%{majver}/exo-%{version}.tar.bz2
+Source:        https://github.com/xfce-mirror/exo.git/exo-%{version}/exo-%{version}.tar.bz2
+#Source:        http://archive.xfce.org/src/xfce/exo/%{majver}/exo-%{version}.tar.bz2
 License:       LGPL
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: ldconfig
 BuildRequires: libICE-devel
 BuildRequires: libSM-devel
 BuildRequires: libX11-devel
+BuildRequires: libXau-devel
+BuildRequires: libXdmcp-devel
 BuildRequires: libatk-devel
+BuildRequires: libbrotli-devel
+BuildRequires: libbsd-devel
+BuildRequires: libbzip2-devel
 BuildRequires: libcairo-devel
-BuildRequires: libfontconfig-devel
 BuildRequires: libfreetype-devel
 BuildRequires: libgdk-pixbuf-devel
 BuildRequires: libglib-devel
-BuildRequires: libgtk2-devel
+BuildRequires: libgraphite2-devel
+BuildRequires: libgtk-devel
+BuildRequires: libharfbuzz-devel
 BuildRequires: libpango-devel
+BuildRequires: libpcre-devel
+BuildRequires: libpng-devel
+BuildRequires: libuuid-devel
+BuildRequires: libxcb-devel
 BuildRequires: libxfce4ui-devel
 BuildRequires: libxfce4util-devel
-BuildRequires: perl-URI
-BuildRequires: perl-devel
+BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
 BuildRequires: docbook-dtds
 BuildRequires: docbook-xsl
 BuildRequires: gtk-doc
-BuildRequires: libxfce4util-devel >= 4.10
+BuildRequires: libxfce4util-devel >= 4.16
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Extension library for Xfce, targeted at application development.
@@ -45,18 +56,29 @@ Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 %description devel
 Static libraries and header files for the exo library.
 
+%debug_package
+
 %prep
 %setup -q
+NOCONFIGURE=1 ./autogen.sh
 
 %build
-%configure --enable-final --enable-gtk-doc --disable-python --enable-xfce-mcs-manager --enable-xsltproc
+%configure \
+   --enable-maintainer-mode \
+   --enable-final \
+   --enable-gtk-doc \
+   --disable-python \
+   --enable-xfce-mcs-manager \
+   --enable-xsltproc
+
 %make
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-#make install DESTDIR=%{buildroot} mandir=%{_mandir}
 %makeinstall
 
+%find_lang exo-2
+
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
@@ -66,6 +88,7 @@ touch --no-create %{_datadir}/icons/hicolor || :
 if [ -x %{_bindir}/gtk-update-icon-cache ]; then
    %{_bindir}/gtk-update-icon-cache --quiet %{_datadir}/icons/hicolor || :
 fi
+:
 
 %postun
 /sbin/ldconfig
@@ -73,37 +96,34 @@ touch --no-create %{_datadir}/icons/hicolor || :
 if [ -x %{_bindir}/gtk-update-icon-cache ]; then
    %{_bindir}/gtk-update-icon-cache --quiet %{_datadir}/icons/hicolor || :
 fi
+:
 
-%files
+%files -f exo-2.lang
 %defattr(-,root,root)
-%{_sysconfdir}/xdg/xfce4/helpers.rc
 %{_bindir}/exo-desktop-item-edit
 %{_bindir}/exo-open
-%{_bindir}/exo-preferred-applications
-%{_datadir}/applications
-%{_datadir}/icons
-%{_datadir}/locale
-%{_datadir}/pixmaps
-%{_datadir}/xfce4
+%{_datadir}/pixmaps/exo/exo-thumbnail-frame.png
 %{_libdir}/libexo*.so.*
-%{_libdir}/xfce4/exo-2/exo-helper-2
-%{_libdir}/xfce4/exo/exo-compose-mail
+%{_datadir}/icons/hicolor/*/apps/preferences-desktop-default-applications.png
 %{_mandir}/man1/exo-open.*
 %doc AUTHORS COPYING
 
 %files devel
 %defattr(-,root,root)
-%{_bindir}/exo-csource
-%{_datadir}/gtk-doc
-%{_includedir}
+%dir %{_includedir}/exo-2
+%dir %{_includedir}/exo-2/exo
+%{_includedir}/exo-2/exo/*
 %{_libdir}/libexo*.so
 %{_libdir}/libexo*.la
 %{_libdir}/pkgconfig/*.pc
-#%{_docdir}/exo/html/*
-%{_mandir}/man1/exo-csource.*
-%doc ChangeLog NEWS README THANKS TODO
+%dir %{_datadir}/gtk-doc/html/exo-2
+%{_datadir}/gtk-doc/html/exo-2/*
+%doc NEWS README.md THANKS
 
 %changelog
+* Sat Jan 23 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 4.16.0-1mamba
+- update to 4.16.0
+
 * Thu Dec 19 2019 Automatic Build System <autodist@mambasoft.it> 0.12.11-1mamba
 - automatic version update by autodist