diff --git a/Pint-0.20.1.tar.gz b/Pint-0.20.1.tar.gz
deleted file mode 100644
index 5ea89d6..0000000
Binary files a/Pint-0.20.1.tar.gz and /dev/null differ
diff --git a/Pint-0.22.tar.gz b/Pint-0.22.tar.gz
new file mode 100644
index 0000000..f55a9e4
Binary files /dev/null and b/Pint-0.22.tar.gz differ
diff --git a/python-pint.spec b/python-pint.spec
index db716b6..35d08fd 100644
--- a/python-pint.spec
+++ b/python-pint.spec
@@ -1,11 +1,11 @@
 %global _empty_manifest_terminate_build 0
 Name:		python-pint
-Version:	0.20.1
+Version:	0.22
 Release:	1
 Summary:	Physical quantities module
 License:	BSD-3-Clause
 URL:		https://github.com/hgrecco/pint
-Source0:	https://files.pythonhosted.org/packages/f3/d1/56923579866231eb4e61f86f4728ccd84fc2add7ad111ee25e4b64df47ec/Pint-0.20.1.tar.gz
+Source0:	https://files.pythonhosted.org/packages/2c/4b/f06c9975298765c64ac9ca6f36be072e65e1437a03a472f5fabc5327ef4e/Pint-0.22.tar.gz
 BuildArch:	noarch
 
 Requires:	python3-numpy
@@ -24,11 +24,11 @@ It is licensed under BSD.
 
 %package -n python3-pint
 Summary:	Physical quantities module
-Provides:	python-pint
+Provides:	python-pint = %{version}-%{release}
 BuildRequires:	python3-devel
 BuildRequires:  python3-pbr
 BuildRequires:  python3-pip
-BuildRequires:	python3-setuptools
+BuildRequires:	python3-flit
 BuildRequires:	python3-setuptools_scm
 BuildRequires:	python3-wheel
 BuildRequires:  python3-toml
@@ -63,43 +63,26 @@ It is licensed under BSD.
 %autosetup -n Pint-%{version}
 
 %build
-%py3_build
+%pyproject_build
 
 %install
-%py3_install
+%pyproject_install
 install -d -m755 %{buildroot}/%{_pkgdocdir}
 if [ -d doc ]; then cp -arf doc %{buildroot}/%{_pkgdocdir}; fi
 if [ -d docs ]; then cp -arf docs %{buildroot}/%{_pkgdocdir}; fi
 if [ -d example ]; then cp -arf example %{buildroot}/%{_pkgdocdir}; fi
-if [ -d examples ]; then cp -arf examples %{buildroot}/%{_pkgdocdir}; fi
-pushd %{buildroot}
-if [ -d usr/lib ]; then
-	find usr/lib -type f -printf "/%h/%f\n" >> filelist.lst
-fi
-if [ -d usr/lib64 ]; then
-	find usr/lib64 -type f -printf "/%h/%f\n" >> filelist.lst
-fi
-if [ -d usr/bin ]; then
-	find usr/bin -type f -printf "/%h/%f\n" >> filelist.lst
-fi
-if [ -d usr/sbin ]; then
-	find usr/sbin -type f -printf "/%h/%f\n" >> filelist.lst
-fi
-touch doclist.lst
-if [ -d usr/share/man ]; then
-	find usr/share/man -type f -printf "/%h/%f.gz\n" >> doclist.lst
-fi
-popd
-mv %{buildroot}/filelist.lst .
-mv %{buildroot}/doclist.lst .
 
-%files -n python3-pint -f filelist.lst
-%dir %{python3_sitelib}/*
+%files -n python3-pint
+%{_bindir}/pint-convert
+%{python3_sitelib}/*
 
-%files help -f doclist.lst
+%files help
 %{_docdir}/*
 
 %changelog
+* Thu Jun 01 2023 jiangxinyu <jiangxinyu@kylinos.cn> - 0.22-1
+- Update package to version 0.22
+
 * Tue Dec 06 2022 liukuo <liukuo@kylinos.cn> - 0.20.1-1
 - Upgrade version to 0.20.1