diff --git a/ntplib-0.3.4.tar.gz b/ntplib-0.3.4.tar.gz
deleted file mode 100644
index 45e2c94..0000000
Binary files a/ntplib-0.3.4.tar.gz and /dev/null differ
diff --git a/ntplib-0.4.0.tar.gz b/ntplib-0.4.0.tar.gz
new file mode 100644
index 0000000..e88bf4f
Binary files /dev/null and b/ntplib-0.4.0.tar.gz differ
diff --git a/python-ntplib.spec b/python-ntplib.spec
index eb7281a..202dcf4 100644
--- a/python-ntplib.spec
+++ b/python-ntplib.spec
@@ -5,13 +5,13 @@ text (mode, leap indicator...). Since it's pure Python, and only depends on core
 modules, it should work on any platform with a Python implementation.
 
 Name:           python-ntplib
-Version:        0.3.4
-Release:        4
+Version:        0.4.0
+Release:        1
 Summary:        This module offers a simple interface to query NTP servers from Python.
 
 License:        MIT
 URL:            https://pypi.org/project/ntplib/
-Source0:        https://github.com/cf-natali/ntplib/archive/%{?version}.tar.gz#/ntplib-%{?version}.tar.gz
+Source0:        https://files.pythonhosted.org/packages/b4/14/6b018fb602602d9f6cc7485cbad7c1be3a85d25cea18c233854f05284aed/ntplib-0.4.0.tar.gz
 
 BuildArch:      noarch
 
@@ -45,6 +45,9 @@ BuildRequires:	python3-devel python3-setuptools
 %doc CHANGELOG
 
 %changelog
+* Sun Sep 11 2022 tianlijing <tianlijing@kylinos.cn> - 0.4.0-1
+- update to 0.4.0
+
 * Thu Mar 31 2022 liuyumeng <liuyumeng5@h-partners.com> - 0.3.4-4
 - change packaging to fix error