diff --git a/pydot-1.4.1.tar.gz b/pydot-1.4.1.tar.gz
deleted file mode 100644
index a9bb8306282785c59e9c9828bbe976f46dfa6055..0000000000000000000000000000000000000000
Binary files a/pydot-1.4.1.tar.gz and /dev/null differ
diff --git a/pydot-1.4.2.tar.gz b/pydot-1.4.2.tar.gz
new file mode 100644
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diff --git a/python-pydot.spec b/python-pydot.spec
index e1f2cc71fd70400ac77a422ac54b42a3d512492b..1286ac2628af61aa2253745e13d03bd6bbb8ca1a 100644
--- a/python-pydot.spec
+++ b/python-pydot.spec
@@ -1,34 +1,36 @@
 %global _empty_manifest_terminate_build 0
-Name:		python-pydot
-Version:	1.4.1
-Release:	1
-Summary:	Python interface to Graphviz's Dot
-License:	MIT
-URL:		https://github.com/pydot/pydot
-Source0:	https://files.pythonhosted.org/packages/5f/e2/23e053ccf5648153959ea15d77fb90adb2b1f9c9360f832f39d6d6c024e2/pydot-1.4.1.tar.gz
-BuildArch:	noarch
-
-Requires:	python3-pyparsing
-
+Name:           python-pydot
+Version:        1.4.2
+Release:        1
+Summary:        Python interface to Graphviz's Dot
+License:        MIT
+URL:            https://github.com/pydot/pydot
+Source0:        https://files.pythonhosted.org/packages/13/6e/916cdf94f9b38ae0777b254c75c3bdddee49a54cc4014aac1460a7a172b3/pydot-1.4.2.tar.gz
+BuildArch:      noarch
 %description
-pydot is an interface to Graphviz ,can parse and dump into the DOT language used by GraphViz,and is written in pure Python and networkx can convert its graphs to pydot.
+pydot written in pure Python is an interface to Graphviz, can parse and dump into the DOT language used by GraphViz,
+and networkx can convert its graphs to pydot.
 
 %package -n python3-pydot
-Summary:	Python interface to Graphviz's Dot
-Provides:	python-pydot
-BuildRequires:	python3-devel
-BuildRequires:	python3-setuptools
+Summary:        Python interface to Graphviz's Dot
+Provides:       python-pydot
+BuildRequires:  python3-devel
+BuildRequires:  python3-setuptools
+BuildRequires:  python3-pyparsing
+BuildRequires:  python3-chardet
 %description -n python3-pydot
-pydot is an interface to Graphviz ,can parse and dump into the DOT language used by GraphViz,and is written in pure Python and networkx can convert its graphs to pydot.
+pydot written in pure Python is an interface to Graphviz, can parse and dump into the DOT language used by GraphViz,
+and networkx can convert its graphs to pydot.
 
 %package help
-Summary:	Development documents and examples for pydot
-Provides:	python3-pydot-doc
+Summary:        Python interface to Graphviz's Dot
+Provides:       python3-pydot-doc
 %description help
-pydot is an interface to Graphviz ,can parse and dump into the DOT language used by GraphViz,and is written in pure Python and networkx can convert its graphs to pydot.
+pydot written in pure Python is an interface to Graphviz, can parse and dump into the DOT language used by GraphViz,
+and networkx can convert its graphs to pydot.
 
 %prep
-%autosetup -n pydot-1.4.1
+%autosetup -n pydot-1.4.2
 
 %build
 %py3_build
@@ -42,25 +44,28 @@ 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
+    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
+    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
+    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
+    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
+    find usr/share/man -type f -printf "/%h/%f.gz\n" >> doclist.lst
 fi
 popd
 mv %{buildroot}/filelist.lst .
 mv %{buildroot}/doclist.lst .
 
+%check
+%{__python3} setup.py test
+
 %files -n python3-pydot -f filelist.lst
 %dir %{python3_sitelib}/*
 
@@ -68,5 +73,8 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
+* Fri Aug 06 2021 OpenStack_SIG <openstack@openeuler.org> - 1.4.2-1
+- Update version to 1.4.2
+
 * Mon Nov 23 2020 Python_Bot <Python_Bot@openeuler.org>
 - Package Spec generated