diff --git a/libvirt-glib-1.0.0.tar.gz b/libvirt-glib-1.0.0.tar.gz
deleted file mode 100644
index 1cabebd..0000000
Binary files a/libvirt-glib-1.0.0.tar.gz and /dev/null differ
diff --git a/libvirt-glib-4.0.0-cast-align.patch b/libvirt-glib-4.0.0-cast-align.patch
new file mode 100644
index 0000000..666baba
--- /dev/null
+++ b/libvirt-glib-4.0.0-cast-align.patch
@@ -0,0 +1,12 @@
+diff -rup libvirt-glib-4.0.0.orig/meson.build libvirt-glib-4.0.0.new/meson.build
+--- libvirt-glib-4.0.0.orig/meson.build	2021-02-15 12:23:04.609036200 +0000
++++ libvirt-glib-4.0.0.new/meson.build	2021-02-15 14:50:24.838971022 +0000
+@@ -175,8 +175,6 @@ cc_flags += [
+   '-Wbuiltin-declaration-mismatch',
+   '-Wbuiltin-macro-redefined',
+   '-Wcannot-profile',
+-  '-Wcast-align',
+-  '-Wcast-align=strict',
+   '-Wcast-function-type',
+   '-Wchar-subscripts',
+   '-Wclobbered',
diff --git a/libvirt-glib-4.0.0.tar.xz b/libvirt-glib-4.0.0.tar.xz
new file mode 100644
index 0000000..0120455
Binary files /dev/null and b/libvirt-glib-4.0.0.tar.xz differ
diff --git a/libvirt-glib.spec b/libvirt-glib.spec
index fb4084a..3f3c073 100644
--- a/libvirt-glib.spec
+++ b/libvirt-glib.spec
@@ -1,11 +1,14 @@
 Name:          libvirt-glib
-Version:       1.0.0
-Release:       8
+Version:       4.0.0
+Release:       1
 Summary:       libvirt glib integration for events
 License:       LGPLv2+
 URL:           http://libvirt.org/
-Source0:       ftp://libvirt.org/libvirt/glib/%{name}-%{version}.tar.gz
-BuildRequires: glib2-devel >= 2.36.0 libvirt-devel >= 1.1.1 gobject-introspection-devel libxml2-devel libtool vala-tools intltool
+Source0:       https://libvirt.org/sources/glib/%{name}-%{version}.tar.xz
+BuildRequires: glib2-devel >= 2.48.0 libvirt-devel >= 1.2.8 gobject-introspection-devel
+BuildRequires: libxml2-devel >= 2.9.1 vala gettext gtk-doc meson
+Patch0:        libvirt-glib-4.0.0-cast-align.patch
+
 Provides:      libvirt-gconfig libvirt-gobject
 Obsoletes:     libvirt-gconfig libvirt-gobject
 
@@ -24,30 +27,27 @@ This package provides development header files and libraries for integration bet
 
 
 %prep
-%setup -q
+%autosetup -p1
 
 %build
-%configure --enable-introspection
-%make_build
+%meson -Drpath=disabled -Dintrospection=enabled
+%meson_build
 
 %install
-rm -rf $RPM_BUILD_ROOT
-make install DESTDIR=$RPM_BUILD_ROOT
-rm -f $RPM_BUILD_ROOT%{_libdir}/libvirt-g*a
+%meson_install
+
+%delete_la_and_a
 
 %find_lang %{name}
 
 %check
-if ! make %{?_smp_mflags} check; then
-  cat tests/test-suite.log || true
-  exit 1
-fi
+%meson_test
 
 %ldconfig_post
 %ldconfig_postun
 
 %files -f %{name}.lang
-%doc README COPYING AUTHORS ChangeLog NEWS
+%doc README COPYING AUTHORS NEWS
 %{_libdir}/libvirt-g*-1.0.so.*
 %{_libdir}/girepository-1.0/LibvirtG*-1.0.typelib
 
@@ -63,5 +63,10 @@ fi
 %{_datadir}/vala/vapi/libvirt-g*
 
 %changelog
+* Wed Jun 30 2021 weijin deng <weijin.deng@turbolinux.com.cn> - 4.0.0-1
+- Upgrade to 4.0.0
+- Use meson rebuild
+- Add libvirt-glib-4.0.0-cast-align.patch
+
 * Sat Nov 30 2019 chenzhenyu <chenzhenyu13@huawei.com> - 1.0.0-8
 - Package init