diff --git a/package/tzdata/tzdata.hash b/package/tzdata/tzdata.hash
index 3f84ec4f87..d347bc4560 100644
--- a/package/tzdata/tzdata.hash
+++ b/package/tzdata/tzdata.hash
@@ -1,4 +1,4 @@
-# https://lists.iana.org/hyperkitty/list/tz-announce@iana.org/thread/IZ7AO6WRE3W3TWBL5IR6PMQUL433BQIE/
-sha512  0d86686e215672343debb3471b7e7ccb8a27f063f085c9b532d5e0470377843daa0dfb6aee0db4fb9068dd52810c69aeee914a1a7c7e603fdecda7e855020193  tzdata2024b.tar.gz
+# https://lists.iana.org/hyperkitty/list/tz-announce@iana.org/thread/MWII7R3HMCEDNUCIYQKSSTYYR7UWK4OQ/
+sha512  93b8f939d39bdfe451e262666f9099c529c96c49d14c08e3611560ca660e12e16d08a22b145d615e00570fb194881618d6f9a0a617c119ab447be03279d747c3  tzdata2025a.tar.gz
 # Locally computed:
 sha256  0613408568889f5739e5ae252b722a2659c02002839ad970a63dc5e9174b27cf  LICENSE
diff --git a/package/tzdata/tzdata.mk b/package/tzdata/tzdata.mk
index ba53ae7c38..46c65707a7 100644
--- a/package/tzdata/tzdata.mk
+++ b/package/tzdata/tzdata.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-TZDATA_VERSION = 2024b
+TZDATA_VERSION = 2025a
 TZDATA_SOURCE = tzdata$(TZDATA_VERSION).tar.gz
 TZDATA_SITE = https://www.iana.org/time-zones/repository/releases
 TZDATA_SELINUX_MODULES = tzdata