diff --git a/libwnck3.spec b/libwnck3.spec
index 267c38e..01cecf9 100644
--- a/libwnck3.spec
+++ b/libwnck3.spec
@@ -1,9 +1,9 @@
 Name:           libwnck3
 Version:        3.31.4
-Release:        3
+Release:        4
 Summary:        Window Navigator Construction Kit
 URL:            http://download.gnome.org/sources/libwnck/
-Source0:        http://download.gnome.org/sources/libwnck/3.24/libwnck-%{version}.tar.xz
+Source0:        http://download.gnome.org/sources/libwnck/3.31/libwnck-%{version}.tar.xz
 License:        LGPLv2+
 BuildRequires:  glib2-devel gtk3-devel gtk-doc meson pango-devel libxslt
 BuildRequires:  startup-notification-devel gobject-introspection-devel libXres-devel gettext
@@ -57,6 +57,9 @@ The %{name}-devel package contains libraries and header files for %{name}.
 %doc %{_datadir}/gtk-doc/*
 
 %changelog
+* Tue Sep 08 2020 zhanzhimin <zhanzhimin@huawei.com> - 3.31.4-4
+- update source0
+
 * Fri Jan 17 2020 openEuler Buildteam <buildteam@openeuler.org> - 3.31.4-3
 - Type:bugfix
 - Id:NA