diff --git a/python-scons.spec b/python-scons.spec
index 2e13bd0785fc1a0f121a7352490bbaf4e1247112..37ba354558e1b28c127e2dab0d8faab1ed177cbb 100644
--- a/python-scons.spec
+++ b/python-scons.spec
@@ -1,5 +1,5 @@
 Name:          scons
-Version:       4.5.2
+Version:       4.8.1
 Release:       1
 Summary:       An Open Source software construction tool
 License:       MIT
@@ -8,6 +8,7 @@ Source0:       https://github.com/SCons/scons/archive/%{version}/scons-%{version
 Source1:       https://scons.org/doc/%{version}/scons-doc-%{version}.tar.gz
 BuildArch:     noarch
 BuildRequires: make
+BuildRequires: python3-pip  python3-hatchling python3-hatch-vcs
 
 %description
 SCons is an Open Source software construction tool—that is, a next-generation
@@ -46,52 +47,12 @@ and faster way to build software.
 %prep
 %autosetup -n %{name}-%{version} -N
 %setup -n %{name}-%{version} -q -T -D -a 1
-cd ..
-
-# Convert to UTF-8
-for file in %{name}-%{version}/src/*.txt; do
-    iconv -f ISO-8859-1 -t UTF-8 -o $file.new $file && \
-    touch -r $file $file.new && \
-    mv $file.new $file
-done
-
-sed -i -e 's!env.AddPostAction(tgz_file, Delete(man_pages))! !g' %{name}-%{version}/SConstruct
-
-pathfix.py -i %{__python3} -pn %{name}-%{version}/scripts/scons.py
-
-###cp -a %{name}-%{version} %{name}-%{version}-py3
-###sed -i 's|/usr/bin/env python|%{__python3}|' %{name}-%{version}-py3/scripts/scons.py
 
 %build
-%{__python3} scripts/scons.py
+%pyproject_build
 
 %install
-export LDFLAGS="%{build_ldflags}"
-export CFLAGS="%{build_cflags}"
-
-%{_bindir}/python3 setup.py install -O1 --skip-build --root %{buildroot} \
- --install-scripts=%{_bindir} \
- --install-data=%{_datadir}
-
-# Install manpages
-mkdir -p %{buildroot}%{_mandir}/man1
-install -pm 644 build/doc/man/*.1 %{buildroot}%{_mandir}/man1/
-rm -f %{buildroot}%{_datadir}/*.1
-
-pushd %{buildroot}%{_bindir}  
-for i in %{name}-3 %{name}-v%{version}-%{python3_version} %{name}-%{python3_version}; do
-  ln -fs %{_bindir}/%{name} %{buildroot}%{_bindir}/$i
-done
-for i in %{name}ign-3 %{name}ign-v%{version}-%{python3_version} %{name}ign-%{python3_version}; do
-  ln -fs %{_bindir}/%{name}ign %{buildroot}%{_bindir}/$i
-done
-for i in %{name}-time-3 %{name}-time-v%{version}-%{python3_version} %{name}-time-%{python3_version}; do
-  ln -fs %{_bindir}/%{name}-time %{buildroot}%{_bindir}/$i
-done
-for i in %{name}-configure-cache-3 %{name}-configure-cache-v%{version}-%{python3_version} %{name}-configure-cache-%{python3_version}; do
-  ln -fs %{_bindir}/%{name}-configure-cache %{buildroot}%{_bindir}/$i
-done
-popd
+%pyproject_install
 
 %check
 %{__python3} runtest.py -P %{__python3} --passed --quit-on-failure SCons/BuilderTests.py
@@ -99,18 +60,23 @@ popd
 %files -n python3-%{name}
 %doc CHANGES.txt RELEASE.*
 %license LICENSE*
-%{_bindir}/%{name}*-3
 %{_bindir}/%{name}
 %{_bindir}/%{name}{ign,-time,-configure-cache}
-%{_bindir}/%{name}*-%{python3_version}
-%{python3_sitelib}/SCons/
-%{python3_sitelib}/*.egg-info
-%{_mandir}/man1/*
+%{python3_sitelib}/SCons*
 
 %files doc
 %doc HTML PDF EPUB TEXT
 
 %changelog
+* Wed Nov 27 2024 xu_ping <707078654@qq.com> - 4.8.1-1
+- Upgrade to version 4.8.1
+  * Added more type annotations to internal routines.
+  * Changed the message about scons -H to clarify it shows built-in options only.
+  * Add JDK 21 LTS support
+  * Fixed the Scanner examples in the User Guide to be runnable and added
+some more explanation.
+  * Add locking around creation of CacheDir config file. 
+
 * Fri Dec 29 2023 liyanan <liyanan61@h-partners.com> - 4.5.2-1
 - Upgrade to version 4.5.2
 
diff --git a/scons-4.5.2.tar.gz b/scons-4.8.1.tar.gz
similarity index 43%
rename from scons-4.5.2.tar.gz
rename to scons-4.8.1.tar.gz
index 3558559835d8f28ff0684471f9cb27c478e8667c..92896d470755b5041a5c18de8aecef9ddeeb3a10 100644
Binary files a/scons-4.5.2.tar.gz and b/scons-4.8.1.tar.gz differ
diff --git a/scons-doc-4.5.2.tar.gz b/scons-doc-4.8.1.tar.gz
similarity index 55%
rename from scons-doc-4.5.2.tar.gz
rename to scons-doc-4.8.1.tar.gz
index 56ae58c9e1ef5a88e4a2d1dd6a7febfd65a4c93e..b20e14eb86f431b441c7c400c9e781ba5c40bbb1 100644
Binary files a/scons-doc-4.5.2.tar.gz and b/scons-doc-4.8.1.tar.gz differ