diff --git a/oslo.serialization-2.29.3.tar.gz b/oslo.serialization-2.29.3.tar.gz
new file mode 100644
index 0000000..4974f13
Binary files /dev/null and b/oslo.serialization-2.29.3.tar.gz differ
diff --git a/oslo.serialization-4.1.0.tar.gz b/oslo.serialization-4.1.0.tar.gz
deleted file mode 100644
index df227e5..0000000
Binary files a/oslo.serialization-4.1.0.tar.gz and /dev/null differ
diff --git a/python-oslo.serialization.spec b/python-oslo.serialization.spec
index 5e6ae7f..cdf54d4 100644
--- a/python-oslo.serialization.spec
+++ b/python-oslo.serialization.spec
@@ -1,13 +1,12 @@
 %global _empty_manifest_terminate_build 0
 Name:           python-oslo-serialization
-Version:        4.1.0
+Version:        2.29.3
 Release:        1
 Summary:        Oslo Serialization library
 License:        Apache-2.0
 URL:            https://docs.openstack.org/oslo.serialization/latest/
-Source0:        https://files.pythonhosted.org/packages/0a/85/9af1feeff44ee56868145674e0c2e6654e8ff2241c5bc178bb9539065c3d/oslo.serialization-4.1.0.tar.gz
+Source0:        https://files.pythonhosted.org/packages/a6/4e/da873c02aeb12373ac4700165c14adf34cb781791bea3869cb60307ce2f2/oslo.serialization-2.29.3.tar.gz
 BuildArch:      noarch
-
 %description
 The oslo.serialization library provides support for representing objects in
 transmittable and storable formats, such as Base64, JSON and MessagePack.
@@ -22,18 +21,18 @@ BuildRequires:  python3-pbr
 BuildRequires:  python3-pip
 BuildRequires:  python3-wheel
 # General requires
+BuildRequires:  python3-pyyaml
 BuildRequires:  python3-msgpack
 BuildRequires:  python3-oslo-utils
 BuildRequires:  python3-pytz
-BuildRequires:  python3-pytest
-BuildRequires:  python3-oslotest
-BuildRequires:  python3-fixtures
+BuildRequires:  python3-six
 # General requires
+Requires:       python3-pyyaml
 Requires:       python3-msgpack
 Requires:       python3-oslo-utils
 Requires:       python3-pbr
 Requires:       python3-pytz
-
+Requires:       python3-six
 %description -n python3-oslo-serialization
 The oslo.serialization library provides support for representing objects in
 transmittable and storable formats, such as Base64, JSON and MessagePack.
@@ -41,13 +40,12 @@ transmittable and storable formats, such as Base64, JSON and MessagePack.
 %package help
 Summary:        Oslo Serialization library
 Provides:       python3-oslo-serialization-doc
-
 %description help
 The oslo.serialization library provides support for representing objects in
 transmittable and storable formats, such as Base64, JSON and MessagePack.
 
 %prep
-%autosetup -n oslo.serialization-4.1.0
+%autosetup -n oslo.serialization-%{version}
 
 %build
 %py3_build
@@ -81,20 +79,13 @@ popd
 mv %{buildroot}/filelist.lst .
 mv %{buildroot}/doclist.lst .
 
-%check
-%{__python3} -m pytest
-
 %files -n python3-oslo-serialization -f filelist.lst
-
 %dir %{python3_sitelib}/*
 
 %files help -f doclist.lst
 %{_docdir}/*
 
 %changelog
-* Thu Jul 15 2021 yaozc701 <yaozc7@foxmail.com> - 4.1.0-1
-- Upgrade version to 4.1.0
-* Fri Jan 29 2021 zhangy <zhangy1317@foxmail.com>
-- Add buildrequires
-* Fri Jan 08 2021 Python_Bot <Python_Bot@openeuler.org>
-- Package Spec generated
+* Mon Nov 15 2021 OpenStack_SIG <openstack@openeuler.org> - 2.29.3-1
+- Init package python3-oslo-serialization of version 2.29.3
+