diff --git a/.gitignore b/.gitignore
index 46da8c6..bbfc0cd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -204,3 +204,5 @@ noarch/
 /tzdata2022f.tar.gz
 /tzcode2022g.tar.gz
 /tzdata2022g.tar.gz
+/tzcode2023a.tar.gz
+/tzdata2023a.tar.gz
diff --git a/0003-continue-to-ship-posixrules.patch b/0003-continue-to-ship-posixrules.patch
index 1755352..fa905d3 100644
--- a/0003-continue-to-ship-posixrules.patch
+++ b/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/sources b/sources
index 253accf..58d053f 100644
--- a/sources
+++ b/sources
@@ -1,4 +1,4 @@
 SHA512 (javazic.tar.gz) = c23a4a437a87d0792f23e98025520a11273fc3d12ef5dcf64af8332ed60ba9ce77eaadfd234cee92b3ca9dc08b9e4123e804745925d68ddbd0b2e1e9039e526b
 SHA512 (javazic-1.8-37392f2f5d59.tar.xz) = 2ba718dfeed53a3bd6b44e3dfe96338a609e482e4e6d942e2a7e622fc6c52606cb323ac3a59739c463e34f70fff217c0a61f5b3d3c4958eff2801b1504ee4204
-SHA512 (tzcode2022g.tar.gz) = 5188edd8d05238a88da734cf78fadfb57640d4db3e7a0a9dddd70e3071e16b6eebc2e2ab17109b7dafafae68abfbc857df481cfdc3ffe63f7eb1569ea0b5997a
-SHA512 (tzdata2022g.tar.gz) = 7f79394295e00e3a24ebdbf9af3bc454a65f432a93b517e7e96c7f9db9949f6f5fdae9892a9d3789ff44ae0eb1bfe4744d36976b4624659af951d26414f94e65
+SHA512 (tzcode2023a.tar.gz) = d45fc677a0a32ae807bf421faceff675565ee15e3ff42d3a4121df10e1f7855ac16b27fbc28bd365f93c57f40c5bdf19cde88546f7090cfab7676cac0a5516a4
+SHA512 (tzdata2023a.tar.gz) = 10aadd6eba50f63f427399281065ba34cb474f6a854f8dc7a6f4f1343b1474a05f22b69b1e113ea67bb5f3f479253610a16b89d9dfa157bf0fde4c69aa3d6493
diff --git a/tzdata.spec b/tzdata.spec
index 82e4194..457b52b 100644
--- a/tzdata.spec
+++ b/tzdata.spec
@@ -1,9 +1,9 @@
 Summary: Timezone data
 Name: tzdata
-Version: 2022g
-%define tzdata_version 2022g
-%define tzcode_version 2022g
-Release: 2%{?dist}
+Version: 2023a
+%define tzdata_version 2023a
+%define tzcode_version 2023a
+Release: 1%{?dist}
 License: Public Domain
 URL: https://www.iana.org/time-zones
 Source0: ftp://ftp.iana.org/tz/releases/tzdata%{tzdata_version}.tar.gz
@@ -151,6 +151,12 @@ install -p -m 644 tzdb.dat $RPM_BUILD_ROOT%{_datadir}/javazi-1.8/
 %{_datadir}/javazi-1.8
 
 %changelog
+* Thu Mar 23 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.
+
 * Sat Jan 21 2023 Fedora Release Engineering <releng@fedoraproject.org> - 2022g-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild