diff --git a/cinder-18.0.0.tar.gz b/cinder-15.6.0.tar.gz
similarity index 42%
rename from cinder-18.0.0.tar.gz
rename to cinder-15.6.0.tar.gz
index 25cdaa523d7d7a0cf66bdd44a9a21b888029fbc4..165612178fd6b35220dc17585d4cbc5d1a29cd94 100644
Binary files a/cinder-18.0.0.tar.gz and b/cinder-15.6.0.tar.gz differ
diff --git a/openstack-cinder.spec b/openstack-cinder.spec
index 5f7b1aaf5475e80522a2a4207ec43d4705e292a6..5ed50aa8440921ad9a38c22dea0d337eda54f5a7 100644
--- a/openstack-cinder.spec
+++ b/openstack-cinder.spec
@@ -5,14 +5,14 @@ OpenStack Volume (codename Cinder) provides services to manage and \
 access block storage volumes for use by Virtual Machine instances.
 
 Name:             openstack-%{service}
-Version:          18.0.0
+Version:          15.6.0
 Release:          1
 Summary:          OpenStack Volume service
 License:          ASL 2.0
 URL:              http://www.openstack.org/software/openstack-storage/
 BuildArch:        noarch
 
-Source0:          https://tarballs.openstack.org/cinder/cinder-18.0.0.tar.gz
+Source0:          https://tarballs.openstack.org/cinder/cinder-15.6.0.tar.gz
 
 Source10:         openstack-%{service}-api.service
 Source11:         openstack-%{service}-scheduler.service
@@ -88,7 +88,6 @@ BuildRequires:         python3-importlib_metadata
 BuildRequires:         python3-boto3
 # Needed for unit tests
 BuildRequires:         python3-hacking
-BuildRequires:         python3-flake8-import-order
 BuildRequires:         python3-flake8-logging-format
 BuildRequires:         python3-coverage
 BuildRequires:         python3-PyMySQL
@@ -102,7 +101,6 @@ BuildRequires:         python3-stestr
 BuildRequires:         python3-bandit
 BuildRequires:         python3-doc8
 BuildRequires:         python3-mypy
-BuildRequires:         python3-moto
 
 Requires:         python3-cinderclient
 Requires:         python3-pyudev
@@ -237,7 +235,6 @@ This package contains the %{service} Python library.
 Summary:        Cinder tests
 
 Requires:       python3-hacking
-Requires:       python3-flake8-import-order
 Requires:       python3-flake8-logging-format
 Requires:       python3-coverage
 Requires:       python3-PyMySQL
@@ -252,7 +249,6 @@ Requires:       python3-stestr
 Requires:       python3-bandit
 Requires:       python3-doc8
 Requires:       python3-mypy
-Requires:       python3-moto
 Requires:       python3-%{service}
 
 %description -n python3-%{service}-tests
@@ -381,17 +377,5 @@ exit 0
 %{python3_sitelib}/%{service}/tests
 
 %changelog
-* Thu Aug 12 2021 wangxiyuan <wangxiyuan1007@gmail.com> - 18.0.0-1
-- Upgrade to OpenStack Wallaby version
-
-* Fri Aug 06 2021 wangxiyuan <wangxiyuan1007@gmail.com> - 17.0.0-4
-- Remove epoch tag
-
-* Fri Jul 30 2021 chenyanpanHW <chenyanpan@huawei.com> - 17.0.0-3
-- DESC: delete -S git from %autosetup, and delete BuildRequires git-core
-
-* Sat Feb 20 2021 yaozc701 <yaozc7@foxmail.com>
-- update spec file python3-migrate —> python3-sqlalchemy-migrate
-
-* Tue Feb 02 2021 yaozc701 <yaozc7@foxmail.com>
-- update spec file
+* Fri Nov 05 2021 wangxiyuan <wangxiyuan1007@gmail.com> - 15.6.0-1
+- Support OpenStack Train release