diff --git a/python-oslo-concurrency.spec b/python-oslo-concurrency.spec
index 8df78b1dc5e86d075f16a45515046a3bf5bca744..09b87a43f3a5511470330303eb3c992d24c69593 100644
--- a/python-oslo-concurrency.spec
+++ b/python-oslo-concurrency.spec
@@ -1,7 +1,7 @@
 %global _empty_manifest_terminate_build 0
 Name:		python-oslo-concurrency
 Version:	3.25.0
-Release:	1
+Release:	2
 Summary:	Oslo Concurrency library
 License:	Apache-2.0
 URL:		https://docs.openstack.org/oslo.concurrency/latest/
@@ -18,6 +18,7 @@ external processes.
 %package -n python2-oslo-concurrency
 Summary:	Oslo Concurrency library
 Provides:	python2-oslo-concurrency
+BuildRequires:	python2-pbr
 BuildRequires:	python2-devel
 BuildRequires:	python2-setuptools
 Requires:	python2-pbr
@@ -87,5 +88,7 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
+* Mon May 31 2021 huangtianhua <huangtianhua223@gmail.com>
+- Adds BuildRequires python2-pbr to make obs success
 * Sat May 08 2021 OpenStack_SIG <openstack@openeuler.org>
 - Package Spec generated