diff --git a/README.md b/README.md
index 9bf0a4d..28f36a9 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,8 @@ Resolve geographical coordinates to timezones and countries. This is a Swift wra
 
 A timezone database with up to 20 meter resolution is embedded as a bundle resource (~5 MB). If you want to manually specify the database location, use `try SwiftTimeZoneLookup(databasePath: "/path_to_timezone16_21_files/..")`
 
+Embedded timezone database version [2022f (2022-10-31)](https://github.com/evansiroky/timezone-boundary-builder/releases/tag/2022f).
+
 This library is thread safe.
 
 ## Usage
diff --git a/Sources/SwiftTimeZoneLookup/Resources/timezone16.bin b/Sources/SwiftTimeZoneLookup/Resources/timezone16.bin
index 7fca9b9..a4bc6d4 100644
Binary files a/Sources/SwiftTimeZoneLookup/Resources/timezone16.bin and b/Sources/SwiftTimeZoneLookup/Resources/timezone16.bin differ
diff --git a/Sources/SwiftTimeZoneLookup/Resources/timezone21.bin b/Sources/SwiftTimeZoneLookup/Resources/timezone21.bin
index ea31a61..2a84044 100644
Binary files a/Sources/SwiftTimeZoneLookup/Resources/timezone21.bin and b/Sources/SwiftTimeZoneLookup/Resources/timezone21.bin differ