diff --git a/python-flask-restful.spec b/python-flask-restful.spec
index 692def3f04bc9ee6dd42d8e903501595e4abbfad..295522a56dfa101a7432353b2ac2d79fcccf7eb5 100644
--- a/python-flask-restful.spec
+++ b/python-flask-restful.spec
@@ -1,7 +1,7 @@
 %global _empty_manifest_terminate_build 0
 Name:		python-flask-restful
 Version:	0.3.6
-Release:	2
+Release:	3
 Summary:	Simple framework for creating REST APIs
 License:	BSD
 URL:		https://www.github.com/flask-restful/flask-restful/
@@ -30,6 +30,7 @@ BuildRequires:  python2-nose
 BuildRequires:  python2-werkzeug
 BuildRequires:  python2-mock
 BuildRequires:  python2-blinker
+BuildRequires:  python2-aniso8601
 %description -n python2-flask-restful
 Flask-RESTful is an extension for Flask that adds support for quickly
 building REST APIs. It is a lightweight abstraction that works with
@@ -93,7 +94,11 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
+* Thu Aug 26 2021 huangtianhua <huangtianhua@huawei.com>
+- Adds BuildRequires python2-aniso8601 to make obs success
+
 * Tue Jun 1 2021 huangtianhua <huangtianhua223@gmail.com>
 - Adds BuildRequires python2-pbr to make obs success
+
 * Tue May 11 2021 OpenStack_SIG <openstack@openeuler.org>
 - Package Spec generated