diff --git a/.gitignore b/.gitignore
index aa2e596..714f3b0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -216,3 +216,9 @@ noarch/
 /tzdata2024a.tar.gz
 /tzcode2024b.tar.gz
 /tzdata2024b.tar.gz
+/tzcode2025a.tar.gz
+/tzdata2025a.tar.gz
+/tzcode2025b.tar.gz
+/tzdata2025b.tar.gz
+/tzcode2025c.tar.gz
+/tzdata2025c.tar.gz
diff --git a/sources b/sources
index 5da42b3..0b8efef 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
 SHA512 (javazic-1.8-37392f2f5d59.tar.xz) = 2ba718dfeed53a3bd6b44e3dfe96338a609e482e4e6d942e2a7e622fc6c52606cb323ac3a59739c463e34f70fff217c0a61f5b3d3c4958eff2801b1504ee4204
-SHA512 (tzcode2024b.tar.gz) = 0e4e872d6c6d9e2ce8c4e567fcbb7658942b8544157d1e48673d9cb989f3af3379fa58e7a71ab98f4a8f2ac6727de1f8c4cd1981053409ebd8989345dc640026
-SHA512 (tzdata2024b.tar.gz) = 0d86686e215672343debb3471b7e7ccb8a27f063f085c9b532d5e0470377843daa0dfb6aee0db4fb9068dd52810c69aeee914a1a7c7e603fdecda7e855020193
+SHA512 (tzcode2025c.tar.gz) = d14bc0680b9cb33d6526a2c0e483f2abafc2593cfe5fbfe7dcab940aafdc1baaec065dbaa1bb58b03586a8631ffdf43ebb22ff5a70503298b6ea2cf061d82c16
+SHA512 (tzdata2025c.tar.gz) = 1e33f7212fd0ae2ad3c16e68f0c1fc7a6ad26a126b8406c379a5768d79604c6a816054bd0fe3a63228d70cd6a1fc2b1bae2a9f8014e102d3727eb9d21affa1f1
diff --git a/tzdata.spec b/tzdata.spec
index 3a84a77..617af38 100644
--- a/tzdata.spec
+++ b/tzdata.spec
@@ -1,9 +1,9 @@
 Summary: Timezone data
 Name: tzdata
-Version: 2024b
-%define tzdata_version 2024b
-%define tzcode_version 2024b
-Release: 2%{?dist}
+Version: 2025c
+%define tzdata_version 2025c
+%define tzcode_version 2025c
+Release: 1%{?dist}
 License: LicenseRef-Fedora-Public-Domain AND (GPL-2.0-only WITH ClassPath-exception-2.0)
 URL: https://www.iana.org/time-zones
 Source0: ftp://ftp.iana.org/tz/releases/tzdata%{tzdata_version}.tar.gz
@@ -11,8 +11,6 @@ Source1: ftp://ftp.iana.org/tz/releases/tzcode%{tzcode_version}.tar.gz
 
 Patch002: 0002-Fix-have-snprintf-error.patch
 Patch003: 0003-continue-to-ship-posixrules.patch
-Patch004: 0004-Fix-Apr-vs-April-2024b.patch
-Patch005: 0005-Improve-style-checks-for-months-2024b.patch
 
 BuildRequires: make
 BuildRequires: gcc
@@ -44,8 +42,6 @@ This package contains timezone information for use by Java runtimes.
 %setup -q -c -a 1
 
 %patch -p1 -P 2
-%patch -p1 -P 4
-%patch -p1 -P 5
 %if 0%{?rhel}
 %patch -p1 -P 3
 %endif
@@ -57,7 +53,7 @@ This package contains timezone information for use by Java runtimes.
 # tzdata-2018g introduced 25:00 transition times.  This breaks OpenJDK.
 # Use rearguard for java
 mkdir rearguard
-make VERSION=%{version} ZFLAGS="-b fat" tzdata%{version}-rearguard.tar.gz
+make VERSION=%{version} ZFLAGS="-b fat" tzdata%{version}-rearguard.tar.gz.t
 mv tzdata%{version}-rearguard.tar.gz rearguard
 pushd rearguard
 tar zxf tzdata%{version}-rearguard.tar.gz
@@ -150,6 +146,23 @@ echo ============END TESTING===========
 %{_datadir}/javazi-1.8
 
 %changelog
+* Sun Dec 14 2025 Patsy Griffin <patsy@redhat.com> - 2025c-1
+  Update to tzdata-2025c (#2421294)
+  - Update the expiration date for the leap seconds files.
+
+* Thu Mar 27 2025 Patsy Griffin <patsy@redhat.com> - 2025b-1
+  Update to tzdata-2025b (#2354293)
+  - Chile's Aysén Region moves from -04/-03 to -03 year-round,
+    diverging from America/Santiago and creating a new zone
+    America/Coyhaique.
+
+* Tue Feb 04 2025 Patsy Griffin <patsy@redhat.com> - 2025a-1
+  Update to tzdata-2025a (#2338511)
+  - Paraguay is now permanently at -03. This impacts timestamps
+    starting on 2025-03-22.
+  - Includes improvements to pre-1991 data for the Philippines.
+  - Etc/Unknown is now reserved.
+
 * Sun Jan 19 2025 Fedora Release Engineering <releng@fedoraproject.org> - 2024b-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild