diff --git a/.gitignore b/.gitignore
index 0d164d0..cac2186 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
 SOURCES/javazic-1.8-37392f2f5d59.tar.xz
 SOURCES/javazic.tar.gz
-SOURCES/tzcode2022d.tar.gz
-SOURCES/tzdata2022d.tar.gz
+SOURCES/tzcode2023c.tar.gz
+SOURCES/tzdata2023c.tar.gz
diff --git a/.tzdata.metadata b/.tzdata.metadata
index 8f81f79..616e1c2 100644
--- a/.tzdata.metadata
+++ b/.tzdata.metadata
@@ -1,4 +1,4 @@
 77292e1839952807567570118e01405b405af80c SOURCES/javazic-1.8-37392f2f5d59.tar.xz
 ee8ad215161cd132e65e2be447b279457158b540 SOURCES/javazic.tar.gz
-2cb7a7042c6417ab9af621781503249435703f95 SOURCES/tzcode2022d.tar.gz
-7d3cd8eb0a368dad016fa91f02ef4d0fba6ea453 SOURCES/tzdata2022d.tar.gz
+89c79224f532827836671ed9b5941a1496514cc1 SOURCES/tzcode2023c.tar.gz
+c81ef1c556143917f73f989c4b6e9f006e2fbe16 SOURCES/tzdata2023c.tar.gz
diff --git a/SOURCES/0003-continue-to-ship-posixrules.patch b/SOURCES/0003-continue-to-ship-posixrules.patch
index 1755352..fa905d3 100644
--- a/SOURCES/0003-continue-to-ship-posixrules.patch
+++ b/SOURCES/0003-continue-to-ship-posixrules.patch
@@ -1,13 +1,13 @@
 diff -Nrup a/Makefile b/Makefile
---- a/Makefile	2020-10-13 15:58:12.000000000 -0400
-+++ b/Makefile	2020-10-13 16:03:09.461302282 -0400
-@@ -60,7 +60,7 @@ LOCALTIME=	GMT
+--- 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
++POSIXRULES=	America/New_York
  
  # Also see TZDEFRULESTRING below, which takes effect only
- # if the time zone files cannot be accessed.
-Binary files a/tzdata2020b-rearguard.tar.gz and b/tzdata2020b-rearguard.tar.gz differ
+ # 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/SPECS/tzdata.spec b/SPECS/tzdata.spec
index 92fa74a..69a0d9f 100644
--- a/SPECS/tzdata.spec
+++ b/SPECS/tzdata.spec
@@ -1,8 +1,8 @@
 Summary: Timezone data
 Name: tzdata
-Version: 2022d
-%define tzdata_version 2022d
-%define tzcode_version 2022d
+Version: 2023c
+%define tzdata_version 2023c
+%define tzcode_version 2023c
 Release: 1%{?dist}.inferit
 License: Public Domain
 URL: https://www.iana.org/time-zones
@@ -138,7 +138,7 @@ java -classpath javazic-1.8 build.tools.tzdb.TzdbZoneRulesCompiler \
 rm -fr $RPM_BUILD_ROOT
 install -d $RPM_BUILD_ROOT%{_datadir}
 cp -prd zoneinfo $RPM_BUILD_ROOT%{_datadir}
-install -p -m 644 zone.tab zone1970.tab iso3166.tab leapseconds tzdata.zi $RPM_BUILD_ROOT%{_datadir}/zoneinfo
+install -p -m 644 zone.tab zone1970.tab iso3166.tab leap-seconds.list leapseconds tzdata.zi $RPM_BUILD_ROOT%{_datadir}/zoneinfo
 cp -prd javazi $RPM_BUILD_ROOT%{_datadir}/javazi
 mkdir -p $RPM_BUILD_ROOT%{_datadir}/javazi-1.8
 install -p -m 644 tzdb.dat $RPM_BUILD_ROOT%{_datadir}/javazi-1.8/
@@ -156,9 +156,47 @@ install -p -m 644 tzdb.dat $RPM_BUILD_ROOT%{_datadir}/javazi-1.8/
 %{_datadir}/javazi-1.8
 
 %changelog
-* Mon Apr 03 2023 Eugene Zamriy <ezamriy@msvsphere.ru> - 2022d-1.inferit
+* Tue Apr 11 2023 Eugene Zamriy <ezamriy@msvsphere.ru> - 2023c-1.inferit
 - Fixed Simferopol country
-- Rebuilt for MSVSphere 9.1
+
+* Tue Mar 28 2023 Patsy Griffin <patsy@redhat.com> - 2023c-1
+- Rebase to tzdata-2023c
+  - Lebanon reversed the change added in tzdata-2023b.
+
+* Fri Mar 24 2023 Patsy Griffin <patsy@redhat.com> - 2023b-1
+- Rebase to tzdata-2023b
+  - Lebanon will transition to DST on April 20/21, not March 25/26.
+
+* Wed Mar 22 2023 Patsy Griffin <patsy@redhat.com> - 2023a-1
+- Rebase to tzdata-2023a
+  - Egypt reintroduced DST, from April through October.
+  - Morocco springs forward April 23, not April 30.
+  - Palestine delayed the start of DST this year.
+
+* Wed Mar 15 2023 MSVSphere Packaging Team <packager@msvsphere.ru> - 2022d-1
+- Rebuilt for MSVSphere 9.1.
+
+* Fri Jan 6 2023 Patsy Griffin <patsy@redhat.com> - 2022g-2
+- Include leap-seconds.list in tzdata install. (#2157982)
+
+* Tue Nov 29 2022 Patsy Griffin <patsy@redhat.com> - 2022g-1
+- Rebase to tzdata-2022g
+  - The northern edge of the Mexican state of Chihuahua will
+    change time zone to agree with nearby US locations on
+    2022-11-30.
+  - Added a new Zone America/Ciudad_Juarez that splits from
+    America/Ojinaga.
+
+* Wed Nov 02 2022 Patsy Griffin <patsy@redhat.com> - 2022f-1
+- Rebase to tzdata-2022f
+  - Mexico will stop observing DST except near the US border.
+  - Chihuahua moved to -06 year round starting on 2022-10-30.
+  - Fiji no longer observes DST.
+
+* Wed Oct 12 2022 Patsy Griffin <patsy@redhat.com> - 2022e-1
+- Rebase to tzdata-2022e
+  - Jordan and Syria cancelled the DST transition planned
+    for 2022-10-28, remaining at +03 permanently.
 
 * Mon Sep 26 2022 Patsy Griffin <patsy@redhat.com> - 2022d-1
 - Rebase to tzdata-2022d