diff --git a/xfce4-session-4.14.2.tar.bz2 b/xfce4-session-4.14.2.tar.bz2
deleted file mode 100644
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diff --git a/xfce4-session-4.16.0.tar.bz2 b/xfce4-session-4.16.0.tar.bz2
new file mode 100644
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diff --git a/xfce4-session.spec b/xfce4-session.spec
index 7df5496e83424f81da410ba64afa25e2391d0378..a364439ddf1aa9402d3f0102eccfa60666202cfa 100644
--- a/xfce4-session.spec
+++ b/xfce4-session.spec
@@ -1,18 +1,20 @@
-%global xfceversion 4.14
+%global xfceversion 4.16
+
 Name:           xfce4-session
-Version:        4.14.2
-Release:        2
-Summary:        Session manager for the Xfce desktop environment.
+Version:        4.16.0
+Release:        1
+Summary:        Xfce session manager
+
 License:        GPLv2+
-#Group:          Development/Libraries
 URL:            http://www.xfce.org/
 Source0:        http://archive.xfce.org/src/xfce/%{name}/%{xfceversion}/%{name}-%{version}.tar.bz2
 # Add a xfce-mimeapps.list to allow setting mime handlers for Xfce apps
-Source1:        xfce-mimeapps.list
+
+Source2:        xfce-mimeapps.list
 # Patch startxfce4 to keep it on the same vty for logind
 Patch1:         xfce-session-4.10-startxfce4.patch
-BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
-#BuildArch:      noarch
+
+BuildRequires:  make
 BuildRequires:  dbus-devel >= 1.1.0
 BuildRequires:  dbus-glib-devel >= 0.84
 BuildRequires:  glib2-devel >= 2.24.0
@@ -22,7 +24,7 @@ BuildRequires:  libxfce4ui-devel >= %{xfceversion}
 BuildRequires:  startup-notification-devel
 BuildRequires:  xfce4-panel-devel >= %{xfceversion}
 BuildRequires:  xfconf-devel >= %{xfceversion}
-BuildRequires:  xorg-x11-server-utils
+BuildRequires:  iceauth xrdb xset
 # Build tools
 BuildRequires:  desktop-file-utils
 BuildRequires:  gettext 
@@ -32,15 +34,21 @@ BuildRequires:  libxslt
 BuildRequires:  systemd-devel >= 195
 BuildRequires:  polkit-devel
 BuildRequires:  libtool
-Requires:       xorg-x11-server-utils
+Requires:       iceauth xrdb xset
 Requires:       xfce-polkit >= 0.2-2
 Requires:       systemd >= 195
+# Needed for exo desktop preferred applications
 Requires:       exo
 Suggests:       imsettings-xfce
 
+Obsoletes:      xfce-utils < 4.8.3-7
+
+# splash screens no longer exists
+Obsoletes:      xfce4-session-engines <= 4.13.1
+Obsoletes:      xfce4-session-devel <= 4.13.3
+
 %description
-Its task is to save the state of your desktop (opened applications and their location) and restore
-it during a next startup. You can create several different sessions and choose one of them on startup. 
+xfce4-session is the session manager for the Xfce desktop environment.
 
 %prep
 %autosetup -p1
@@ -57,20 +65,22 @@ sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
 %install
 %make_install
 
+# remove xscreensaver autostart file
+rm -fr %{buildroot}%{_sysconfdir}/xdg/autostart/xscreensaver.desktop
+
 find %{buildroot} -type f -name "*.la" -exec rm -f {} ';'
 
 %find_lang %{name}
 
 # install our xfce-mimeapps.list file to set mime handlers
 mkdir -p %{buildroot}%{_datadir}/applications
-cp -a %{SOURCE1} %{buildroot}%{_datadir}/applications/xfce-mimeapps.list
+cp -a %{SOURCE2} %{buildroot}%{_datadir}/applications/xfce-mimeapps.list
 
 %files -f %{name}.lang
 %license COPYING
-%doc AUTHORS BUGS ChangeLog NEWS README TODO
+%doc AUTHORS BUGS ChangeLog NEWS TODO
 %doc doc/FAQ doc/NEWS.pre-4.3 doc/README.Kiosk
 %{_sysconfdir}/xdg/xfce4
-%{_sysconfdir}/xdg/autostart/xscreensaver.desktop
 %{_bindir}/*
 %dir %{_libdir}/xfce4/session/
 %{_libdir}/xfce4/session/xfsm-shutdown-helper
@@ -82,5 +92,8 @@ cp -a %{SOURCE1} %{buildroot}%{_datadir}/applications/xfce-mimeapps.list
 %{_mandir}/man1/*
 
 %changelog
+* Fri Jun 18 2021 zhanglin <lin.zhang@turbolinux.com.cn> - 4.16.0-1
+- Update to 4.16.0
+
 * Sun Jul 12 Dillon Chen <dillon.chen@turbolinux.com.cn> - 4.14.2-1
 - Init package