diff --git a/python-flask-restful.spec b/python-flask-restful.spec
index ecf36da113ec3ed6f25cc52fcad63176b4fabf5f..e7b0f7799b0a5553f7b3d282f41b86552f25d541 100644
--- a/python-flask-restful.spec
+++ b/python-flask-restful.spec
@@ -1,6 +1,6 @@
 Name:           python-flask-restful
 Version:        0.3.8
-Release:        2
+Release:        3
 Summary:        Framework for creating REST APIs
 License:        BSD
 URL:            https://www.github.com/flask-restful/flask-restful/
@@ -10,7 +10,7 @@ Patch6000:      backport-Fix-testsuite-for-werkzeug-1.x.patch
 
 BuildArch:      noarch
 BuildRequires:  git gcc python3-pytz python3-setuptools python3-nose python3-mock python3-blinker
-BuildRequires:  python3-flask python3-six python3-aniso8601 python3-pytz python3-devel python3-crypto
+BuildRequires:  python3-flask python3-six python3-aniso8601 python3-devel
 
 %description
 Flask-RESTful provides the building blocks for creating a REST API.
@@ -43,6 +43,9 @@ rm -rf docs/_themes/.gitignore
 %{python3_sitelib}/*
 
 %changelog
+* Thu Mar 3 2022 zhaoshuang <zhaoshuang@uniontech.com> - 0.3.8-3
+- remove some unnecessary buildrequires
+
 * Thu Feb 18 2021 shixuantong <shixuantong@huawei.com> - 0.3.8-2
 - Fix testsuite for werkzeug 1.x