diff --git a/more-itertools-8.12.0.tar.gz b/more-itertools-8.12.0.tar.gz
deleted file mode 100644
index 3f75b49..0000000
Binary files a/more-itertools-8.12.0.tar.gz and /dev/null differ
diff --git a/more-itertools-9.1.0.tar.gz b/more-itertools-9.1.0.tar.gz
new file mode 100644
index 0000000..e295851
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diff --git a/python-more-itertools.spec b/python-more-itertools.spec
index 229bd53..a6c2498 100644
--- a/python-more-itertools.spec
+++ b/python-more-itertools.spec
@@ -1,5 +1,5 @@
 Name:           python-more-itertools
-Version:        8.12.0
+Version:        9.1.0
 Release:        1
 Summary:        An opensource python library wrapping around itertools
 License:        MIT
@@ -15,6 +15,8 @@ See https://pythonhosted.org/more-itertools/index.html for more information.
 %package -n python3-more-itertools
 Summary:        An opensource python library wrapping around itertools
 BuildRequires:  python3-devel python3-six
+BuildRequires:  python3-pip python3-wheel
+BuildRequires:  python3-flit-core
 %{?python_provide:%python_provide python3-more-itertools}
 
 %description -n python3-more-itertools
@@ -26,21 +28,24 @@ See https://pythonhosted.org/more-itertools/index.html for more information.
 %autosetup -n more-itertools-%{version} -p1
 
 %build
-%py3_build
+%pyproject_build
 
 %install
-%py3_install
+%pyproject_install
 
 %check
-%{__python3} ./setup.py test
+export PYTHONPATH=%{buildroot}%{python3_sitelib}
+%{__python3} -m unittest -v
 
 %files -n python3-more-itertools
 %doc README.rst LICENSE
 %{python3_sitelib}/more_itertools/
-%exclude %{python3_sitelib}/more_itertools/tests
-%{python3_sitelib}/more_itertools-%{version}-py%{python3_version}.egg-info
+%{python3_sitelib}/more_itertools-%{version}*-info
 
 %changelog
+* Wed Jun 07 2023 yaoxin <yao_xin001@hoperun.com> - 9.1.0-1
+- Update to 9.1.0
+
 * Thu Jul 7 2022 wulei <wulei80@h-partners.com> - 8.12.0-1
 - Upgrade to 8.12.0