diff --git a/tzdata/version.json b/tzdata/version.json
index a4827dd..9e41355 100755
--- a/tzdata/version.json
+++ b/tzdata/version.json
@@ -1,5 +1,5 @@
 {
-  "version": "2025a",
-  "url": "https://github.com/evansiroky/timezone-boundary-builder/releases/tag/2025a",
-  "geo_data_url": "https://github.com/evansiroky/timezone-boundary-builder/releases/download/2025a/timezones-with-oceans.geojson.zip"
+  "version": "2025b",
+  "url": "https://github.com/evansiroky/timezone-boundary-builder/releases/tag/2025b",
+  "geo_data_url": "https://github.com/evansiroky/timezone-boundary-builder/releases/download/2025b/timezones-with-oceans.geojson.zip"
 }
\ No newline at end of file