diff --git a/pyfakefs-4.4.0.tar.gz b/pyfakefs-4.4.0.tar.gz
deleted file mode 100644
index 46b29e9..0000000
Binary files a/pyfakefs-4.4.0.tar.gz and /dev/null differ
diff --git a/pyfakefs-4.6.3.tar.gz b/pyfakefs-4.6.3.tar.gz
new file mode 100644
index 0000000..5d79f0d
Binary files /dev/null and b/pyfakefs-4.6.3.tar.gz differ
diff --git a/python-pyfakefs.spec b/python-pyfakefs.spec
index f7096f1..c2a07ba 100644
--- a/python-pyfakefs.spec
+++ b/python-pyfakefs.spec
@@ -1,11 +1,11 @@
 %global _empty_manifest_terminate_build 0
 Name:		python-pyfakefs
-Version:	4.4.0
-Release:	2
+Version:	4.6.3
+Release:	1
 Summary:	pyfakefs implements a fake file system that mocks the Python file system modules.
 License:	Apache-2.0
 URL:		http://pyfakefs.org
-Source0:	https://files.pythonhosted.org/packages/01/a5/998d96ed6c26d1406ddc24c11dfdf24a4b6d5dd9d6834c889784976e7e70/pyfakefs-4.4.0.tar.gz
+Source0:	https://files.pythonhosted.org/packages/2e/a1/1592dc4297583de8e4a11ec473c71e3d77295aa619384e728e86315ff869/pyfakefs-4.6.3.tar.gz
 BuildArch:	noarch
 
 %description
@@ -23,7 +23,7 @@ Provides:	python3-pyfakefs-doc
 %description help
 Development documents and examples for pyfakefs
 %prep
-%autosetup -n pyfakefs-4.4.0
+%autosetup -n pyfakefs-4.6.3
 
 %build
 %py3_build
@@ -63,6 +63,9 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
+* Tue Aug 9 2022 wenzhiwei <wenzhiwei@kylinos.cn> - 4.6.3-1
+- Update to 4.6.3
+
 * Wed May 11 2022 yaoxin <yaoxin30@h-partners.com> - 4.4.0-2
 - License compliance rectification