diff --git a/cryptography-3.3.1.tar.gz b/cryptography-3.3.1.tar.gz
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diff --git a/cryptography-3.4.6.tar.gz b/cryptography-3.4.6.tar.gz
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diff --git a/python-cryptography.spec b/python-cryptography.spec
index 07ba4223073f1f22d90532b8bb9d0f7c76ed152d..0ad72d53fcaa7735fcf96befa226f994fcd2fe92 100644
--- a/python-cryptography.spec
+++ b/python-cryptography.spec
@@ -1,14 +1,12 @@
 %global srcname cryptography
 Name:           python-%{srcname}
-Version:        3.3.1
-Release:        2
+Version:        3.4.6
+Release:        1
 Summary:        PyCA's cryptography library
 License:        ASL 2.0 or BSD
 URL:            https://cryptography.io/en/latest/  
 Source0:        %{pypi_source}
 
-Patch6000:      backport-CVE-2020-36242.patch
-
 BuildRequires:  openssl-devel
 BuildRequires:  gcc
 
@@ -24,6 +22,8 @@ BuildRequires:  python%{python3_pkgversion}-pytz
 BuildRequires:  python%{python3_pkgversion}-idna >= 2.1
 BuildRequires:  python%{python3_pkgversion}-six >= 1.4.1
 BuildRequires:  python%{python3_pkgversion}-cffi >= 1.7
+BuildRequires:  python%{python3_pkgversion}-pytest-subtests
+
 
 %description
 cryptography is a package designed to expose cryptographic primitives and
@@ -51,6 +51,7 @@ recipes to Python developers.
 %autosetup -n cryptography-%{version} -p1
 
 %build
+export CRYPTOGRAPHY_DONT_BUILD_RUST=1
 %py3_build
 
 %install
@@ -61,7 +62,6 @@ PYTHONPATH=%{buildroot}%{python3_sitearch} %{__python3} -m pytest -k "not (test_
 
 %files -n python%{python3_pkgversion}-cryptography
 %defattr(-,root,root)
-%doc AUTHORS.rst
 %license LICENSE LICENSE.APACHE LICENSE.BSD
 %{python3_sitearch}/*
 %{python3_sitearch}/cryptography-%{version}-py*.egg-info
@@ -71,6 +71,9 @@ PYTHONPATH=%{buildroot}%{python3_sitearch} %{__python3} -m pytest -k "not (test_
 %doc README.rst docs
 
 %changelog
+* Mon Feb 14 2022 zhangy <zhangy1317@foxmai.com> -3.4.6-1
+- Update to 3.4.6
+
 * Tue Feb 23 2021 shixuantong <shixuantong@huawei.com> - 3.3.1-2
 - fix CVE-2020-36242