diff --git a/0001-modify-timezone-from-Macau-to-Macao.patch b/0001-modify-timezone-from-Macau-to-Macao.patch
index f17473e6da1645da95da63295866465189db6981..5fec322deb7c417d93e0f9b08947471c06a250eb 100644
--- a/0001-modify-timezone-from-Macau-to-Macao.patch
+++ b/0001-modify-timezone-from-Macau-to-Macao.patch
@@ -69,7 +69,7 @@ index 408fcb2..ee58572 100644
 --- a/pytz/zoneinfo/zone.tab
 +++ b/pytz/zoneinfo/zone.tab
 @@ -269,7 +269,7 @@ MM	+1647+09610	Asia/Yangon
- MN	+4755+10653	Asia/Ulaanbaatar	Mongolia (most areas)
+ MN	+4755+10653	Asia/Ulaanbaatar	most of Mongolia
  MN	+4801+09139	Asia/Hovd	Bayan-Olgiy, Govi-Altai, Hovd, Uvs, Zavkhan
  MN	+4804+11430	Asia/Choibalsan	Dornod, Sukhbaatar
 -MO	+221150+1133230	Asia/Macau
@@ -82,7 +82,7 @@ index 822ffa1..03ec66b 100644
 --- a/pytz/zoneinfo/zone1970.tab
 +++ b/pytz/zoneinfo/zone1970.tab
 @@ -232,7 +232,7 @@ MM	+1647+09610	Asia/Yangon
- MN	+4755+10653	Asia/Ulaanbaatar	Mongolia (most areas)
+ MN	+4755+10653	Asia/Ulaanbaatar	most of Mongolia
  MN	+4801+09139	Asia/Hovd	Bayan-Ölgii, Govi-Altai, Hovd, Uvs, Zavkhan
  MN	+4804+11430	Asia/Choibalsan	Dornod, Sükhbaatar
 -MO	+221150+1133230	Asia/Macau
diff --git a/backport-pytz-zoneinfo.patch b/backport-pytz-zoneinfo.patch
index 4daa6619ec94f5425cb394b60f7d804b1c690d86..47948731eb542d5bcf0aeba4097fbd918ef7075f 100644
--- a/backport-pytz-zoneinfo.patch
+++ b/backport-pytz-zoneinfo.patch
@@ -40,7 +40,7 @@ index e2f49fa..65c1d11 100644
  
 --- a/pytz/__init__.py~	2021-10-04 09:16:08.981477792 -0500
 +++ b/pytz/__init__.py	2021-10-04 11:29:19.283758542 -0500
-@@ -502,1042 +502,37 @@
+@@ -502,1041 +502,37 @@
  
  if __name__ == '__main__':
      _test()
@@ -852,7 +852,6 @@ index e2f49fa..65c1d11 100644
 - 'America/Whitehorse',
 - 'America/Winnipeg',
 - 'America/Yakutat',
-- 'America/Yellowknife',
 - 'Antarctica/Casey',
 - 'Antarctica/Davis',
 - 'Antarctica/DumontDUrville',
diff --git a/pytz-2022.7.1.tar.gz b/pytz-2022.7.1.tar.gz
deleted file mode 100644
index 5557104436a5fa6b831d8dbd00e9311bd7c41a8b..0000000000000000000000000000000000000000
Binary files a/pytz-2022.7.1.tar.gz and /dev/null differ
diff --git a/pytz-2023.3.tar.gz b/pytz-2023.3.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..cbe9481b12be0d709cd8ecc72029b2e99fa9c689
Binary files /dev/null and b/pytz-2023.3.tar.gz differ
diff --git a/pytz.spec b/pytz.spec
index 50689bc0e5b4c64bea91368c8d39b4df1d968e6b..aadcd4d4016f89e8a7ab6dd8b227404b592e411b 100644
--- a/pytz.spec
+++ b/pytz.spec
@@ -1,12 +1,12 @@
 %bcond_without tests
 
 Name:		pytz
-Version:	2022.7.1
+Version:	2023.3
 Release:	1
 Summary:	World Timezone Definitions for Python
 License:	MIT
 URL:		http://pytz.sourceforge.net/
-Source0:	https://files.pythonhosted.org/packages/03/3e/dc5c793b62c60d0ca0b7e58f1fdd84d5aaa9f8df23e7589b39cc9ce20a03/pytz-2022.7.1.tar.gz
+Source0:	https://files.pythonhosted.org/packages/5e/32/12032aa8c673ee16707a9b6cdda2b09c0089131f35af55d443b6a9c69c1d/pytz-2023.3.tar.gz
 
 Patch0:         backport-pytz-zoneinfo.patch
 Patch1:         backport-remove_tzinfo_test.patch
@@ -57,6 +57,12 @@ PYTHONPATH=%{buildroot}%{python3_sitelib} %{__python3} -m pytest -v
 %{python3_sitelib}/*
 
 %changelog
+* Tue Aug 01 2023 zhouyihang <zhouyihang3@h-partners.com> - 2023.3-1
+- Type:requirement
+- ID:NA
+- SUG:NA
+- DESC:update pytz to 2023.3
+
 * Thu Mar 09 2023 zhouyihang <zhouyihang3@h-partners.com> - 2022.7.1-1
 - Type:requirement
 - ID:NA