diff --git a/python-pycparser.spec b/python-pycparser.spec
index 5fd5ea77868307916ea5616329f15493cbbf26fe..531fd8f7286ab37069d1eb54dd7bc52706c73888 100644
--- a/python-pycparser.spec
+++ b/python-pycparser.spec
@@ -1,4 +1,4 @@
-%define anolis_release 1
+%define anolis_release 2
 %bcond_without tests
 
 Name:           python-pycparser
@@ -16,7 +16,6 @@ Patch101:       pycparser-disable-failed-tests.patch
 BuildArch:      noarch
 
 BuildRequires:  python3-devel
-BuildRequires:  python3-setuptools
 BuildRequires:  python3-ply
 BuildRequires:  gcc
 
@@ -39,6 +38,13 @@ pycparser is a complete parser for the C language, written in pure Python.
 It is a module designed to be easily integrated into applications that
 need to parse C source code.
 
+%package -n     python3-pycparser-doc
+Summary:        doc files for python3-pycparser
+Requires:       python3-pycparser = %{version}-%{release}
+
+%description -n python3-pycparser-doc
+doc files for python3-pycparser
+
 %prep
 %autosetup -p1 -n pycparser-release_v%{version}
 
@@ -48,14 +54,17 @@ rm -r pycparser/ply
 # Remove relative sys.path from the examples
 %{python3} %{SOURCE1} examples
 
+%generate_buildrequires
+%pyproject_buildrequires
+
 %build
-%py3_build
+%pyproject_wheel
 pushd build/lib/pycparser
 %{python3} _build_tables.py
 popd
 
 %install
-%py3_install
+%pyproject_install
 
 %check
 %if %{with tests}
@@ -65,10 +74,15 @@ popd
  
 %files -n python3-pycparser
 %license LICENSE
-%doc examples
 %{python3_sitelib}/pycparser/
-%{python3_sitelib}/pycparser-*.egg-info/
+%{python3_sitelib}/pycparser-%{version}.dist-info/
+
+%files -n python3-pycparser-doc
+%doc examples
 
 %changelog 
+* Mon Feb 27 2023 mgb01105731 <mgb01105731@alibaba-inc.com> - 2.21-2
+- optimise dependency
+
 * Tue Apr 19 2022 Zhongling He <zhonglingh@linux.alibaba.com> 2.21-1
 - Init package from upstream v2.21