diff --git a/backport-graphviz-2.48.0-gvpack-neato-static.patch b/backport-graphviz-4.0.0-gvpack-neato-static.patch
similarity index 79%
rename from backport-graphviz-2.48.0-gvpack-neato-static.patch
rename to backport-graphviz-4.0.0-gvpack-neato-static.patch
index 857a733..dcb6863 100644
--- a/backport-graphviz-2.48.0-gvpack-neato-static.patch
+++ b/backport-graphviz-4.0.0-gvpack-neato-static.patch
@@ -11,5 +11,5 @@ index 4978fea..9fbe2e2 100644
 +	$(top_builddir)/lib/pathplan/libpathplan_C.la \
 +		$(EXPAT_LIBS) $(Z_LIBS) $(GTS_LIBS) $(SOCKET_LIBS) $(IPSEPCOLA_LIBS) $(MATH_LIBS)
  
- # add a non-existent C++ source to force the C++ compiler to be used for
- # linking, so the C++ standard library is included for our C++ dependencies
+ if ENABLE_STATIC
+ gvpack_static_SOURCES = gvpack.cpp
diff --git a/graphviz-2.48.0.tar.gz b/graphviz-8.1.0.tar.gz
similarity index 73%
rename from graphviz-2.48.0.tar.gz
rename to graphviz-8.1.0.tar.gz
index 24605e1..6b11d3c 100644
Binary files a/graphviz-2.48.0.tar.gz and b/graphviz-8.1.0.tar.gz differ
diff --git a/graphviz.spec b/graphviz.spec
index 9ef9eaa..9041aae 100644
--- a/graphviz.spec
+++ b/graphviz.spec
@@ -17,14 +17,14 @@
 
 
 Name:               graphviz
-Version:            2.48.0
-Release:            3
+Version:            8.1.0
+Release:            1
 Summary:            Graph Visualization Tools
 License:            EPL-1.0
 URL:                http://www.graphviz.org/
 Source0:            https://gitlab.com/graphviz/graphviz/-/archive/%{version}/graphviz-%{version}.tar.gz
 
-Patch6000:          backport-graphviz-2.48.0-gvpack-neato-static.patch
+Patch6000:          backport-graphviz-4.0.0-gvpack-neato-static.patch
 
 BuildRequires:      gcc-g++
 BuildRequires:      ksh bison m4 flex ruby automake perl-Carp autoconf libtool qpdf urw-base35-fonts, perl-ExtUtils-Embed, perl-generators, librsvg2-devel swig >= 1.3.33
@@ -181,12 +181,8 @@ make %{?_smp_mflags} CFLAGS="$RPM_OPT_FLAGS -fno-strict-aliasing -fno-strict-ove
 
 %install
 rm -rf %{buildroot}
-make DESTDIR=%{buildroot} \
-	docdir=%{buildroot}%{_docdir}/%{name} \
-	pkgconfigdir=%{_libdir}/pkgconfig \
-	PYTHON_LIBS=`python3-config --libs` \
-	PYTHON_INSTALL_DIR=%{python3_sitearch} \
-	install
+%make_install docdir=%{_docdir}/%{name} \
+	pkgconfigdir=%{_libdir}/pkgconfig
 
 %delete_la
 
@@ -200,8 +196,6 @@ __EOF__
 
 find $RPM_BUILD_ROOT%{_datadir}/%{name}/demo -type f -exec chmod a-x {} ';'
 
-chmod -x $RPM_BUILD_ROOT%{_datadir}/%{name}/lefty/*
-
 # python 3
 pushd tclpkg/gv
 install -pD .libs/libgv_python3.so $RPM_BUILD_ROOT%{python3_sitearch}/_gv.so
@@ -239,7 +233,7 @@ php --no-php-ini --define extension_dir=$RPM_BUILD_ROOT%{_libdir}/graphviz/php/
 
 %files
 %defattr(-,root,root)
-%doc README
+%doc %{_docdir}/%{name}
 %{_bindir}/*
 %dir %{_libdir}/graphviz
 %{_libdir}/*.so.*
@@ -261,18 +255,22 @@ php --no-php-ini --define extension_dir=$RPM_BUILD_ROOT%{_libdir}/graphviz/php/
 
 %exclude %{_libdir}/graphviz/*/*
 %exclude %{_libdir}/graphviz/libgvplugin_gd.*
+
 %files  devel
 %{_includedir}/graphviz
 %{_libdir}/*.so
 %{_libdir}/graphviz/*.so
 %{_libdir}/pkgconfig/*.pc
+
 %files docs
 %defattr(644,root,root)
-%doc %{_datadir}/%{name}/doc
+%doc %{_docdir}/%{name}/*.html
+%doc %{_docdir}/%{name}/*.pdf
 %doc %{_datadir}/%{name}/demo
 %{_mandir}/man1/*
 %{_mandir}/man3/*
 %{_mandir}/man7/*
+
 %files gd
 %{_libdir}/graphviz/libgvplugin_gd.so.*
 
@@ -314,6 +312,9 @@ php --no-php-ini --define extension_dir=$RPM_BUILD_ROOT%{_libdir}/graphviz/php/
 %endif
 
 %changelog
+* Thu Sep 07 2023 yaoxin <yao_xin001@hoperun.com> - 8.1.0-1
+- Update to 8.1.0
+
 * Mon Nov 21 2022 huajingyun <huajingyun@loongson.cn> - 2.48.0-3
 - add loongarch support