diff --git a/.gitignore b/.gitignore
index 714f3b0..4d2a285 100644
--- a/.gitignore
+++ b/.gitignore
@@ -222,3 +222,9 @@ noarch/
 /tzdata2025b.tar.gz
 /tzcode2025c.tar.gz
 /tzdata2025c.tar.gz
+/tzcode2026a.tar.gz
+/tzdata2026a.tar.gz
+/tzcode2026b.tar.gz
+/tzdata2026b.tar.gz
+/tzcode2026c.tar.gz
+/tzdata2026c.tar.gz
diff --git a/sources b/sources
index 0b8efef..75b39f6 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
 SHA512 (javazic-1.8-37392f2f5d59.tar.xz) = 2ba718dfeed53a3bd6b44e3dfe96338a609e482e4e6d942e2a7e622fc6c52606cb323ac3a59739c463e34f70fff217c0a61f5b3d3c4958eff2801b1504ee4204
-SHA512 (tzcode2025c.tar.gz) = d14bc0680b9cb33d6526a2c0e483f2abafc2593cfe5fbfe7dcab940aafdc1baaec065dbaa1bb58b03586a8631ffdf43ebb22ff5a70503298b6ea2cf061d82c16
-SHA512 (tzdata2025c.tar.gz) = 1e33f7212fd0ae2ad3c16e68f0c1fc7a6ad26a126b8406c379a5768d79604c6a816054bd0fe3a63228d70cd6a1fc2b1bae2a9f8014e102d3727eb9d21affa1f1
+SHA512 (tzcode2026c.tar.gz) = ad1aadf26b9aaca487a4f780d7a8ebf1d7383472ce587b06cb63852d4eb030dbd190b537e393e75d59530318581e9d3f492ff5f97bbac78f548d0755c4f7257f
+SHA512 (tzdata2026c.tar.gz) = e0b4b7044b66fbc27bc21d13d18063abcdf78ab58d5ba5fd64bd1a88d86e9d495f45add4d8e65bb6c40249f9c94ca29b72c8ebba8d0e4c468f2965ac77932ef0
diff --git a/tzdata.spec b/tzdata.spec
index d79757a..b8d89fe 100644
--- a/tzdata.spec
+++ b/tzdata.spec
@@ -1,16 +1,15 @@
 Summary: Timezone data
 Name: tzdata
-Version: 2025c
-%define tzdata_version 2025c
-%define tzcode_version 2025c
-Release: 2%{?dist}
+Version: 2026c
+%define tzdata_version 2026c
+%define tzcode_version 2026c
+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
 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
 
 BuildRequires: make
 BuildRequires: gcc
@@ -42,9 +41,6 @@ This package contains timezone information for use by Java runtimes.
 %setup -q -c -a 1
 
 %patch -p1 -P 2
-%if 0%{?rhel}
-%patch -p1 -P 3
-%endif
 
 # zic now defaults to "-b slim" to control data bloat.
 # This can cause build issues for some packages.
@@ -146,6 +142,20 @@ echo ============END TESTING===========
 %{_datadir}/javazi-1.8
 
 %changelog
+* Mon Aug 10 2026 Patsy Griffin <patsy@redhat.com> - 2026c-1
+  Update to tzdata-2026c (#2498187)
+  - Alberta moved to permanent -06 on 2026-06-18.
+  - Morocco moves to permanent +00 on 2026-09-20.
+
+* Wed May 13 2026 Patsy Griffin <patsy@redhat.com> - 2026b-1
+  Update to tzdata-2026b (#2461119)
+  - British Columbia’s 2026-03-08 spring forward is expected
+    to be its last transition as it moves to permanent -07.
+
+* Fri Mar 13 2026 Patsy Griffin <patsy@redhat.com> - 2026a-1
+  Update to tzdata-2026a (#2443910)
+  - Correct the transition times for Moldova.
+
 * Sat Jan 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 2025c-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild