diff --git a/python-keystoneauth1.spec b/python-keystoneauth1.spec
index 667df2ed345ca69d792ddff0c82643f7209185b7..5992ea935885edad78c76bc9e033460c63ced94f 100644
--- a/python-keystoneauth1.spec
+++ b/python-keystoneauth1.spec
@@ -1,7 +1,7 @@
 %global _empty_manifest_terminate_build 0
 Name:		python-keystoneauth1
 Version:	3.4.0
-Release:	1
+Release:	2
 Summary:	Authentication Library for OpenStack Identity
 License:	Apache-2.0
 URL:		https://docs.openstack.org/keystoneauth/latest/
@@ -14,6 +14,7 @@ package contains tools for authenticating to an OpenStack-based cloud.
 %package -n python2-keystoneauth1
 Summary:	Authentication Library for OpenStack Identity
 Provides:	python2-keystoneauth1
+BuildRequires:	python2-pbr
 BuildRequires:	python2-devel
 BuildRequires:	python2-setuptools
 Requires:	python2-pbr
@@ -79,5 +80,7 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
+* Mon May 31 2021 huangtianhua <huangtianhua223@gmail.com>
+- Adds BuildRequires python2-pbr to make obs success
 * Wed May 12 2021 OpenStack_SIG <openstack@openeuler.org>
 - Package Spec generated