diff --git a/pytz-zoneinfo.patch b/backport-pytz-zoneinfo.patch
similarity index 98%
rename from pytz-zoneinfo.patch
rename to backport-pytz-zoneinfo.patch
index 173dc5cbaea63013f08864f8d953445160991aea..4ea41067187f331bcf88964ff70cea9e6f901689 100644
--- a/pytz-zoneinfo.patch
+++ b/backport-pytz-zoneinfo.patch
@@ -1,5 +1,5 @@
 diff --git a/pytz/__init__.py b/pytz/__init__.py
-index d217c96..2b1ac03 100644
+index e2f49fa..65c1d11 100644
 --- a/pytz/__init__.py
 +++ b/pytz/__init__.py
 @@ -74,6 +74,9 @@ else:  # Python 2.x
@@ -38,9 +38,9 @@ index d217c96..2b1ac03 100644
      return open(filename, 'rb')
  
  
---- pytz-2019.2/pytz/__init__.py~	2019-07-31 12:32:00.000000000 -0500
-+++ pytz-2019.2/pytz/__init__.py	2019-07-31 12:44:07.995969364 -0500
-@@ -502,1044 +502,37 @@
+--- a/pytz/__init__.py~	2021-10-04 09:16:08.981477792 -0500
++++ b/pytz/__init__.py	2021-10-04 11:29:19.283758542 -0500
+@@ -502,1045 +502,37 @@
  
  if __name__ == '__main__':
      _test()
@@ -588,6 +588,7 @@ index d217c96..2b1ac03 100644
 - 'Pacific/Guam',
 - 'Pacific/Honolulu',
 - 'Pacific/Johnston',
+- 'Pacific/Kanton',
 - 'Pacific/Kiritimati',
 - 'Pacific/Kosrae',
 - 'Pacific/Kwajalein',
@@ -638,7 +639,6 @@ index d217c96..2b1ac03 100644
 - 'W-SU',
 - 'WET',
 - 'Zulu']
-+
 +all_timezones = []
 +for root, dirs, files in os.walk(_tzinfo_dir):
 +    for exclude in 'posix', 'right':
@@ -1055,7 +1055,6 @@ index d217c96..2b1ac03 100644
 - 'Pacific/Chuuk',
 - 'Pacific/Easter',
 - 'Pacific/Efate',
-- 'Pacific/Enderbury',
 - 'Pacific/Fakaofo',
 - 'Pacific/Fiji',
 - 'Pacific/Funafuti',
@@ -1064,6 +1063,7 @@ index d217c96..2b1ac03 100644
 - 'Pacific/Guadalcanal',
 - 'Pacific/Guam',
 - 'Pacific/Honolulu',
+- 'Pacific/Kanton',
 - 'Pacific/Kiritimati',
 - 'Pacific/Kosrae',
 - 'Pacific/Kwajalein',
@@ -1095,9 +1095,10 @@ index d217c96..2b1ac03 100644
 - 'US/Pacific',
 - 'UTC']
 +
-+common_timezones = [l.split()[2]
-+        for l in open(os.path.join(_tzinfo_dir, 'zone.tab'))
-+        if l != '' and l[0] != '#']
++with open(os.path.join(_tzinfo_dir, 'zone.tab')) as zonetab:
++    common_timezones = [l.split()[2]
++            for l in zonetab
++            if l != '' and l[0] != '#']
 +common_timezones.extend(
 +        ['GMT',
 +         'US/Alaska',
diff --git a/backport-remove_tzinfo_test.patch b/backport-remove_tzinfo_test.patch
new file mode 100644
index 0000000000000000000000000000000000000000..226b97a91b088075d0fef343cd118fff41754a5f
--- /dev/null
+++ b/backport-remove_tzinfo_test.patch
@@ -0,0 +1,12 @@
+diff --git a/pytz/tests/test_tzinfo.py b/pytz/tests/test_tzinfo.py
+index b2640a8..4f5322b 100644
+--- a/pytz/tests/test_tzinfo.py
++++ b/pytz/tests/test_tzinfo.py
+@@ -155,6 +155,7 @@ class PicklingTest(unittest.TestCase):
+             self._roundtrip_tzinfo(localized_tz)
+             self._roundtrip_datetime(dt.replace(tzinfo=localized_tz))
+ 
++    @unittest.skip('Fails with system-wide timezone database')
+     def testRoundtrip(self):
+         for zone in pytz.all_timezones:
+             tz = pytz.timezone(zone)
diff --git a/pytz-2021.1.tar.gz b/pytz-2021.1.tar.gz
deleted file mode 100644
index 359e5d599ac3a76715f8a059782baf946ffcb50c..0000000000000000000000000000000000000000
Binary files a/pytz-2021.1.tar.gz and /dev/null differ
diff --git a/pytz-2021.3.tar.gz b/pytz-2021.3.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..420026e5af47d27af6ea635c7fb2abf6c3e71578
Binary files /dev/null and b/pytz-2021.3.tar.gz differ
diff --git a/pytz.spec b/pytz.spec
index ab04349c2a551404bc7b884a68ecb4922fc1abf6..059b100e260beb518ca147086166a7d122386cf4 100644
--- a/pytz.spec
+++ b/pytz.spec
@@ -1,13 +1,15 @@
+%bcond_with tests
+
 Name:		pytz
-Version:	2021.1
+Version:	2021.3
 Release:	1
 Summary:	World Timezone Definitions for Python
 License:	MIT
 URL:		http://pytz.sourceforge.net/
-Source0:	https://files.pythonhosted.org/packages/b0/61/eddc6eb2c682ea6fd97a7e1018a6294be80dba08fa28e7a3570148b4612d/pytz-2021.1.tar.gz
+Source0:	https://files.pythonhosted.org/packages/e3/8e/1cde9d002f48a940b9d9d38820aaf444b229450c0854bdf15305ce4a3d1a/pytz-2021.3.tar.gz
 
-Patch0:         pytz-zoneinfo.patch
-Patch1:         remove_tzinfo_test.patch
+Patch0:         backport-pytz-zoneinfo.patch
+Patch1:         backport-remove_tzinfo_test.patch
 Patch2:         0001-modify-timezone-from-Macau-to-Macao.patch
 
 BuildArch:  	noarch
@@ -21,7 +23,7 @@ Python Library Reference (datetime.tzinfo).
 
 %package -n     python3-pytz
 Summary:        python3 for pytz
-BuildRequires:  python3-devel python3-pytest
+BuildRequires:  python3-devel tzdata python3-pytest
 Requires:       tzdata
 %{?python_provide:%python_provide python3-%{name}}
 
@@ -50,6 +52,9 @@ PYTHONPATH=%{buildroot}%{python3_sitelib} %{__python3} -m pytest -v
 %{python3_sitelib}/*
 
 %changelog
+* Wed Dec 08 2021 yanglu <yanglu72@openeuler.org> - 2021.3-1
+- Update version to 2021.3
+
 * Mon Aug 09 2021 OpenStack_SIG <openstack@openeuler.org> - 2021.1-1
 - Update version to 2021.1