diff --git a/.gitignore b/.gitignore
index cac2186..add3f67 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
 SOURCES/javazic-1.8-37392f2f5d59.tar.xz
 SOURCES/javazic.tar.gz
-SOURCES/tzcode2023c.tar.gz
-SOURCES/tzdata2023c.tar.gz
+SOURCES/tzcode2023d.tar.gz
+SOURCES/tzdata2023d.tar.gz
diff --git a/.tzdata.metadata b/.tzdata.metadata
index 616e1c2..2ce2f5d 100644
--- a/.tzdata.metadata
+++ b/.tzdata.metadata
@@ -1,4 +1,4 @@
 77292e1839952807567570118e01405b405af80c SOURCES/javazic-1.8-37392f2f5d59.tar.xz
 ee8ad215161cd132e65e2be447b279457158b540 SOURCES/javazic.tar.gz
-89c79224f532827836671ed9b5941a1496514cc1 SOURCES/tzcode2023c.tar.gz
-c81ef1c556143917f73f989c4b6e9f006e2fbe16 SOURCES/tzdata2023c.tar.gz
+8e59343c122e645a65a7b9da4e3a59825d86e813 SOURCES/tzcode2023d.tar.gz
+d53f56287215c9fd48625b52bd1fc8b53c83e10b SOURCES/tzdata2023d.tar.gz
diff --git a/SOURCES/0002-Fix-have-snprintf-error.patch b/SOURCES/0002-Fix-have-snprintf-error.patch
deleted file mode 100644
index cafdf4d..0000000
--- a/SOURCES/0002-Fix-have-snprintf-error.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff -Nrup a/Makefile b/Makefile
---- a/Makefile	2017-10-23 18:03:40.237177646 -0400
-+++ b/Makefile	2017-10-23 18:06:20.060683518 -0400
-@@ -292,7 +292,7 @@ GCC_DEBUG_FLAGS = -DGCC_LINT -g3 -O3 -fn
- # January's first Monday when a "%V" format is used and January 1
- # falls on a Friday, Saturday, or Sunday.
- 
--CFLAGS=
-+CFLAGS= -DHAVE_SNPRINTF=1
- 
- # Linker flags.  Default to $(LFLAGS) for backwards compatibility
- # to release 2012h and earlier.
diff --git a/SOURCES/0002-Fix-have-snprintf.patch b/SOURCES/0002-Fix-have-snprintf.patch
new file mode 100644
index 0000000..b3dab7f
--- /dev/null
+++ b/SOURCES/0002-Fix-have-snprintf.patch
@@ -0,0 +1,12 @@
+diff -Nrup a/Makefile b/Makefile
+--- a/Makefile	2024-01-01 17:57:30.112884304 -0500
++++ b/Makefile	2024-01-01 17:59:33.641497622 -0500
+@@ -423,6 +423,7 @@ GCC_DEBUG_FLAGS = -DGCC_LINT -g3 -O3 -fn
+ # Uncomment the following line and edit its contents as needed.
+ 
+ #CFLAGS= -O 1
++CFLAGS= -DHAVE_SNPRINTF=1
+ 
+ 
+ # The name of a POSIX-like library archiver, its flags, C compiler,
+Binary files a/tzdata2023d-rearguard.tar.gz and b/tzdata2023d-rearguard.tar.gz differ
diff --git a/SPECS/tzdata.spec b/SPECS/tzdata.spec
index 96686b7..50b84d3 100644
--- a/SPECS/tzdata.spec
+++ b/SPECS/tzdata.spec
@@ -1,8 +1,8 @@
 Summary: Timezone data
 Name: tzdata
-Version: 2023c
-%define tzdata_version 2023c
-%define tzcode_version 2023c
+Version: 2023d
+%define tzdata_version 2023d
+%define tzcode_version 2023d
 Release: 1%{?dist}
 License: Public Domain
 Group: System Environment/Base
@@ -10,7 +10,7 @@ URL: https://www.iana.org/time-zones
 Source0: ftp://ftp.iana.org/tz/releases/tzdata%{tzdata_version}.tar.gz
 Source1: ftp://ftp.iana.org/tz/releases/tzcode%{tzcode_version}.tar.gz
 
-Patch002: 0002-Fix-have-snprintf-error.patch
+Patch002: 0002-Fix-have-snprintf.patch
 Patch003: 0003-continue-to-ship-posixrules.patch
 
 BuildRequires: gawk, glibc, perl-interpreter
@@ -149,6 +149,16 @@ echo ============END TESTING===========
 %{_datadir}/javazi-1.8
 
 %changelog
+* Mon Jan 01 2024 Patsy Griffin <patsy@redhat.com> - 2023d-1
+- Rebase to tzdata-2023d
+  - Include time zone changes for Ittoqqortoormiit, Greenland
+    and Vostok, Antarctica.
+  - Update the expiration date for the leap-seconds.list file.
+    No new leap seconds were added.
+
+* Mon Aug 21 2023 Patsy Griffin <patsy@redhat.com> - 2023c-2
+- Bump release to test recent process changes. (RHEL-1326)
+
 * Wed Jul 26 2023 MSVSphere Packaging Team <packager@msvsphere.ru> - 2023c-1
 - Rebuilt for MSVSphere 8.8