diff --git a/.gitignore b/.gitignore
index a323947..7f0b4c6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -210,3 +210,7 @@ noarch/
 /tzdata2023b.tar.gz
 /tzcode2023c.tar.gz
 /tzdata2023c.tar.gz
+/tzcode2023d.tar.gz
+/tzdata2023d.tar.gz
+/tzcode2024a.tar.gz
+/tzdata2024a.tar.gz
diff --git a/0002-Fix-have-snprintf-error.patch b/0002-Fix-have-snprintf-error.patch
index cafdf4d..b3dab7f 100644
--- a/0002-Fix-have-snprintf-error.patch
+++ b/0002-Fix-have-snprintf-error.patch
@@ -1,12 +1,12 @@
 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.
+--- 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=
+ #CFLAGS= -O 1
 +CFLAGS= -DHAVE_SNPRINTF=1
  
- # Linker flags.  Default to $(LFLAGS) for backwards compatibility
- # to release 2012h and earlier.
+ 
+ # 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/sources b/sources
index 35c485b..2fb4af3 100644
--- a/sources
+++ b/sources
@@ -1,4 +1,4 @@
 SHA512 (javazic.tar.gz) = c23a4a437a87d0792f23e98025520a11273fc3d12ef5dcf64af8332ed60ba9ce77eaadfd234cee92b3ca9dc08b9e4123e804745925d68ddbd0b2e1e9039e526b
 SHA512 (javazic-1.8-37392f2f5d59.tar.xz) = 2ba718dfeed53a3bd6b44e3dfe96338a609e482e4e6d942e2a7e622fc6c52606cb323ac3a59739c463e34f70fff217c0a61f5b3d3c4958eff2801b1504ee4204
-SHA512 (tzcode2023c.tar.gz) = fa18bae9c0e7c061bc9d5f5f2eb9967f0e4ddb2baafdee9887fa30cd0c60f4aa6f21eacffb17df0d59d26ff54d08c5dcefa98159309eba497e86443624913a82
-SHA512 (tzdata2023c.tar.gz) = 608bd286ebcbd0004cfdc1da183273f08aff61f90c8867661154453d77a05d421e4c46ad6d066a1fe2e87d5c82ec0f1c0224667a3b35f3180a3eb7f6ff84cbf5
+SHA512 (tzcode2024a.tar.gz) = 46da8bfa762c7d109db93e5c060789097fc0e1e38bdad5bb8fec886ef47f138bd03b913a743cd5f7e23dc359a72bfd63e7ffc0de199d2b51e6a174361dbdc43c
+SHA512 (tzdata2024a.tar.gz) = 1f09f1b2327cc9e1afc7e9045e83ee3377918dafe1bee2f282b6991828d03b3c70a4d3a17f9207dfb1361bb25bc214a8922a756e84fa114e9ba476226db57236
diff --git a/tzdata.spec b/tzdata.spec
index 3f30ef6..c36efdc 100644
--- a/tzdata.spec
+++ b/tzdata.spec
@@ -1,8 +1,8 @@
 Summary: Timezone data
 Name: tzdata
-Version: 2023c
-%define tzdata_version 2023c
-%define tzcode_version 2023c
+Version: 2024a
+%define tzdata_version 2024a
+%define tzcode_version 2024a
 Release: 2%{?dist}
 License: Public Domain
 URL: https://www.iana.org/time-zones
@@ -41,9 +41,9 @@ This package contains timezone information for use by Java runtimes.
 %prep
 %setup -q -c -a 1
 
-%patch002 -p1
+%patch -p1 -P 2
 %if 0%{?rhel}
-%patch003 -p1
+%patch -p1 -P 3
 %endif
 
 # tzdata-2018g introduced 25:00 transition times.  This breaks OpenJDK.
@@ -63,11 +63,11 @@ tar zxf rearguard/tzdata%{version}-rearguard.tar.gz
 mkdir javazic
 tar zxf %{SOURCE3} -C javazic
 pushd javazic
-%patch100
-%patch101
-%patch102
-%patch103
-%patch104
+%patch -P 100
+%patch -P 101
+%patch -P 102
+%patch -P 103
+%patch -P 104
 
 # Hack alert! sun.tools may be defined and installed in the
 # VM. In order to guarantee that we are using IcedTea/OpenJDK
@@ -151,6 +151,23 @@ install -p -m 644 tzdb.dat $RPM_BUILD_ROOT%{_datadir}/javazi-1.8/
 %{_datadir}/javazi-1.8
 
 %changelog
+* Tue Feb 06 2024 Patsy Griffin <patsy@redhat.com> - 2024a-2
+- Correct the bz# for the tzdata-2024 commit.
+
+* Mon Feb 05 2024 Patsy Griffin <patsy@redhat.com> - 2024a-1
+- Rebase to tzdata-2024a
+  - Kazakhstan will transition from UTC+6 to UTC+5 on 2024-03-01.
+  - Palestine will spring forward a week later than previously
+    predicted.
+
+* Wed Jan 03 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.
+- Use the new syntax for the %%patch macro.
+
 * Sat Jul 22 2023 Fedora Release Engineering <releng@fedoraproject.org> - 2023c-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild