diff --git a/libmodulemd-disable-valgrind-test-for-build.patch b/libmodulemd-disable-valgrind-test-for-build.patch
index aedcd46e31b71958cc6b988331d8b12aafb6cae8..081fef9d645ebf699f0d53fcd1587e2b9ed85bcc 100644
--- a/libmodulemd-disable-valgrind-test-for-build.patch
+++ b/libmodulemd-disable-valgrind-test-for-build.patch
@@ -1,28 +1,30 @@
-From 31383ba84f9a2fa1bcae6a38e5a43dd3abdee587 Mon Sep 17 00:00:00 2001
-From: sherlock2010 <15151851377@163.com>
-Date: Sat, 25 Jul 2020 15:07:47 +0800
-Subject: [PATCH 2/2] decond commit
+From 7b5fd50da51462bb98d1e8e9916562bbf645b545 Mon Sep 17 00:00:00 2001
+From: fangyufa <fangyufa1@huawei.com>
+Date: Fri, 22 Nov 2019 17:46:29 +0800
+Subject: [PATCH] libmodulemd: disable valgrind test for build
 
+Change-Id: I4bc4973d32b42b092a3293ff55e74bf9e6e69596
+Signed-off-by: fangyufa <fangyufa1@huawei.com>
 ---
- modulemd/meson.build | 4 ++--
+ modulemd-1.6.4/modulemd/meson.build | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)
 
 diff --git a/modulemd/meson.build b/modulemd/meson.build
-index 8b3d543..b9d7549 100644
+index c7d42e8..8ffe46e 100644
 --- a/modulemd/meson.build
 +++ b/modulemd/meson.build
-@@ -48,9 +48,9 @@ endif
- if developer_build
-     valgrind = find_program('valgrind')
+@@ -27,9 +27,9 @@ endif
  
--    if not valgrind.found()
-+#    if not valgrind.found()
-         valgrind = disabler()
--    endif
-+#    endif
- else
+ valgrind = find_program('valgrind', required: developer_build)
+ 
+-if not valgrind.found()
++#if not valgrind.found()
      valgrind = disabler()
- endif
+-endif
++#endif
+ 
+ build_api_v1 = get_option('build_api_v1')
+ 
 -- 
-1.8.3.1
+2.19.1
 
diff --git a/libmodulemd.spec b/libmodulemd.spec
index da65bc6d7c8446f93d6313978ca9c28933c8b0e1..ee8631a4886be4e423475262282d53a8dad4be08 100644
--- a/libmodulemd.spec
+++ b/libmodulemd.spec
@@ -1,16 +1,15 @@
 # NOTICE: this spec file is retrieved from upper stream project(see libmodulemd.spec.in in Source0)
 # and made some modifications.
 Name:           libmodulemd
-Version:        2.9.4
-Release:        1
+Version:        1.6.4
+Release:        4
 Summary:        C Library for manipulating module metadata files
 License:        MIT
 URL:            https://github.com/fedora-modularity/libmodulemd
 Source0:        https://github.com/fedora-modularity/libmodulemd/releases/download/libmodulemd-%{version}/modulemd-%{version}.tar.xz
 
 Patch9000:      libmodulemd-disable-valgrind-test-for-build.patch
-BuildRequires:  meson pkgconfig gcc gcc-c++ gobject-introspection-devel libxslt
-Buildrequires:  python3-devel python3-gobject-base glib2-doc rpm-devel file-devel help2man
+BuildRequires:  meson pkgconfig gcc python3-gobject-base gobject-introspection-devel libxslt
 %ifarch %{valgrind_arches}
 BuildRequires: valgrind
 %endif
@@ -29,19 +28,13 @@ Requires:       %{name}%{?_isa} = %{version}-%{release}
 %description devel
 Development files for libmodulemd.
 
-%package -n python3-%{name}
-Summary:         python3 bindings for %{name}
-Requires:        %{name} = %{version}-%{release} python3-gobject-base python3-six
-
-%description -n python3-%{name} 
-python3 bindings for %{name}
 
 %prep
 %autosetup -p1 -n modulemd-%{version}
 
 
 %build
-%meson -Ddeveloper_build=false -Dwith_py2=false
+%meson -Ddeveloper_build=false
 %meson_build
 
 
@@ -63,25 +56,28 @@ export LC_CTYPE=C.utf8
 %license COPYING
 %doc README.md
 %{_bindir}/modulemd-validator
-%{_libdir}/%{name}.so.2*
+%{_libdir}/%{name}.so.1*
 %dir %{_libdir}/girepository-1.0
 %{_libdir}/girepository-1.0/Modulemd*
-%{_mandir}/man1/modulemd-validator*
+
 
 %files devel
 %{_libdir}/%{name}.so
-%{_libdir}/pkgconfig/modulemd-2.0.pc
-%{_includedir}/modulemd-2.0/
+%{_libdir}/pkgconfig/modulemd.pc
+%{_includedir}/modulemd/
 %dir %{_datadir}/gir-1.0
 %{_datadir}/gir-1.0/Modulemd*
 %dir %{_datadir}/gtk-doc
 %dir %{_datadir}/gtk-doc/html
-%{_datadir}/gtk-doc/html/modulemd-2.0/
-
-%files -n python3-%{name}
-%{python3_sitearch}/gi/overrides/
+%{_datadir}/gtk-doc/html/modulemd-1.0/
 
 %changelog
+* Sat Aug 1 2020 Liquor <lirui130@huawei.com> - 1.6.4-4
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:revert "update libmodulemd version to 2.9.4"
+
 * Tue Apr 28 2020 zhouyihang <zhouyihang3@huawei.com> - 2.9.4-1
 - Type:requirement
 - ID:NA
diff --git a/modulemd-1.6.4.tar.xz b/modulemd-1.6.4.tar.xz
new file mode 100644
index 0000000000000000000000000000000000000000..76c724f2af8e2969fb60a3f6c8688b1a0c034d88
Binary files /dev/null and b/modulemd-1.6.4.tar.xz differ
diff --git a/modulemd-2.9.4.tar.xz b/modulemd-2.9.4.tar.xz
deleted file mode 100644
index 555aa224a688c212ff538343c348dedb0f8f73bf..0000000000000000000000000000000000000000
Binary files a/modulemd-2.9.4.tar.xz and /dev/null differ