diff --git a/hpack-3.0.0.tar.gz b/hpack-3.0.0.tar.gz
deleted file mode 100644
index b13a1eb..0000000
Binary files a/hpack-3.0.0.tar.gz and /dev/null differ
diff --git a/python-hpack.spec b/python-hpack.spec
index 5a46c94..8af8cee 100644
--- a/python-hpack.spec
+++ b/python-hpack.spec
@@ -1,10 +1,10 @@
 Name:           python-hpack
-Version:        3.0.0
-Release:        5
+Version:        4.0.0
+Release:        1
 Summary:        HTTP/2 Header Compression for Python
 License:        MIT
 URL:            https://github.com/python-hyper/hpack
-Source0:        https://files.pythonhosted.org/packages/source/h/hpack/hpack-3.0.0.tar.gz
+Source0:        https://github.com/python-hyper/hpack/archive/refs/tags/v%{version}.tar.gz
 BuildArch:      noarch
  
 BuildRequires:  python3-devel python3dist(setuptools) python3dist(pytest) python3dist(hypothesis)
@@ -44,6 +44,9 @@ rm -rf %{pypi_name}.egg-info
 %{python3_sitelib}/hpack-%{version}-py?.?.egg-info
 
 %changelog
+* Wed Jul 28 2021 liyanan <liyanan32@huawei.com> - 4.0.0-1
+- update to 4.0.0
+
 * Fri Nov 13 2020 baizhonggui <baizhonggui@huawei.com> - 3.0.0-5
 - Drop Python 2 subpackage
 
diff --git a/v4.0.0.tar.gz b/v4.0.0.tar.gz
new file mode 100644
index 0000000..77ee59b
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