diff --git a/python-mock.spec b/python-mock.spec
index 3309d83768c1974cca68c35664d5a3d789a12de3..e8683ab655817839d3d2a7f4abdd04ebcb06cdcb 100644
--- a/python-mock.spec
+++ b/python-mock.spec
@@ -7,7 +7,7 @@ needed attributes in the normal way. \
 
 Name:           python-mock
 Version:        4.0.3
-Release:        1
+Release:        2
 Summary:        A Python Mocking and Patching Library for Testing
 License:        BSD
 URL:            http://www.voidspace.org.uk/python/mock/
@@ -15,7 +15,7 @@ Source0:        https://pypi.python.org/packages/source/m/mock/mock-%{version}.t
 
 BuildArch:      noarch
 
-BuildRequires:  python3-devel python3-setuptools python3-pbr python3-unittest2 python3-pytest
+BuildRequires:  python3-devel python3-setuptools python3-unittest2 python3-pytest
 
 %description
 %{_description__}
@@ -46,11 +46,14 @@ This is the python3 subpackage for %{name}.
 %{python3_sitelib}/{*.egg-info,mock}
 
 %changelog
+* Thu Mar 3 2022 zhaoshuang <zhaoshuang@uniontech.com> - 4.0.3-2
+- remove some unnecessary buildrequires
+
 * Mon Feb 1 2021 shangyibin <shangyibin1@huawei.com> - 4.0.3-1
 - Upgrade to version 4.0.3
 
 * Tue Sep 20 2020 liuweibo <liuweibo10@huawei.com> - 4.0.2-3
-- Fix Source0 
+- Fix Source0
 
 * Thu Aug 20 2020 tianwei <tianwei12@huawei.com> - 4.0.2-2
 - Don't require funcsigs on python3, it's part of the standard library