diff --git a/0003-continue-to-ship-posixrules.patch b/0003-continue-to-ship-posixrules.patch
new file mode 100644
index 0000000000000000000000000000000000000000..fa905d346d03d47a89e3b4b7ce5c92554b736fed
--- /dev/null
+++ b/0003-continue-to-ship-posixrules.patch
@@ -0,0 +1,13 @@
+diff -Nrup a/Makefile b/Makefile
+--- a/Makefile	2023-03-22 17:41:49.069789592 -0400
++++ b/Makefile	2023-03-22 17:44:07.528427093 -0400
+@@ -52,7 +52,7 @@ LOCALTIME=	Factory
+ #	make zonenames
+ # to get a list of the values you can use for POSIXRULES.
+ 
+-POSIXRULES=	-
++POSIXRULES=	America/New_York
+ 
+ # Also see TZDEFRULESTRING below, which takes effect only
+ # if POSIXRULES is '-' or if the template file cannot be accessed.
+Binary files a/tzdata2023a-rearguard.tar.gz and b/tzdata2023a-rearguard.tar.gz differ
diff --git a/sources b/sources
index 42875a3d00fb62dca8b076a977fbb5973940c960..30cf739a48f251b87b1b442441a7d6b3421c8d27 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (tzdata2022g.tar.gz) = 7f79394295e00e3a24ebdbf9af3bc454a65f432a93b517e7e96c7f9db9949f6f5fdae9892a9d3789ff44ae0eb1bfe4744d36976b4624659af951d26414f94e65
-SHA512 (tzcode2022g.tar.gz) = 5188edd8d05238a88da734cf78fadfb57640d4db3e7a0a9dddd70e3071e16b6eebc2e2ab17109b7dafafae68abfbc857df481cfdc3ffe63f7eb1569ea0b5997a
+SHA512 (tzdata2023c.tar.gz) = 608bd286ebcbd0004cfdc1da183273f08aff61f90c8867661154453d77a05d421e4c46ad6d066a1fe2e87d5c82ec0f1c0224667a3b35f3180a3eb7f6ff84cbf5
+SHA512 (tzcode2023c.tar.gz) = fa18bae9c0e7c061bc9d5f5f2eb9967f0e4ddb2baafdee9887fa30cd0c60f4aa6f21eacffb17df0d59d26ff54d08c5dcefa98159309eba497e86443624913a82
diff --git a/tzdata-china.diff b/tzdata-china.diff
index 97602cfb093e8e3564d19aa35d7f25c8a5b7140b..4a710e3ef4712289c94b9b54f0b69b38ba752a36 100644
--- a/tzdata-china.diff
+++ b/tzdata-china.diff
@@ -28,7 +28,7 @@ Index: timezone-2022f/zone1970.tab
 --- timezone-2022f.orig/zone1970.tab
 +++ timezone-2022f/zone1970.tab
 @@ -124,6 +124,7 @@ CK	-2114-15946	Pacific/Rarotonga
- CL	-3327-07040	America/Santiago	Chile (most areas)
+ CL	-3327-07040	America/Santiago	most of Chile
  CL	-5309-07055	America/Punta_Arenas	Region of Magallanes
  CL	-2709-10926	Pacific/Easter	Easter Island
 +CN	+3955+11626	Asia/Beijing	China Standard Time
diff --git a/tzdata.spec b/tzdata.spec
index befadf4e0291cb48a60d51fd5d175a815e1449f6..a464095e0541d363b9fe3d38c65ae3eb4e251a82 100644
--- a/tzdata.spec
+++ b/tzdata.spec
@@ -1,13 +1,14 @@
 Summary: Timezone data
 Name: tzdata
-Version: 2022g
-Release: 3%{?dist}
+Version: 2023c
+Release: 1%{?dist}
 License: Public Domain
 URL: https://www.iana.org/time-zones
 Source0: ftp://ftp.iana.org/tz/releases/tzdata%{version}.tar.gz
 Source1: ftp://ftp.iana.org/tz/releases/tzcode%{version}.tar.gz
 Patch3000: tzdata-china.diff
 Patch3001: 0002-Fix-have-snprintf-error.patch
+Patch3002: 0003-continue-to-ship-posixrules.patch
 
 BuildRequires: make, glibc
 BuildRequires: gawk, perl-interpreter, glibc-common >= 2.5.90-7
@@ -59,6 +60,9 @@ install -p -m 644 zone.tab zone1970.tab iso3166.tab leap-seconds.list leapsecond
 
 
 %changelog
+* Thu Jul 13 2023 Wang Guodong <gordonwwang@tencent.com> - 2023c-1
+- Upgrade to 2023c
+
 * Fri Apr 28 2023 OpenCloudOS Release Engineering <releng@opencloudos.tech> - 2022g-3
 - Rebuilt for OpenCloudOS Stream 23.05