diff --git a/README.md b/README.md
index df1fb20..629da44 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ 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 [2023d (2023-12-29)](https://github.com/evansiroky/timezone-boundary-builder/releases/tag/2023d).
+Embedded timezone database version [2024a (2024-03-14)](https://github.com/evansiroky/timezone-boundary-builder/releases/tag/2024a).
 
 This library is thread safe.
 
diff --git a/Sources/SwiftTimeZoneLookup/Resources/README.md b/Sources/SwiftTimeZoneLookup/Resources/README.md
index f1c1d2f..16c4f4d 100644
--- a/Sources/SwiftTimeZoneLookup/Resources/README.md
+++ b/Sources/SwiftTimeZoneLookup/Resources/README.md
@@ -1,5 +1,5 @@
-Database version 2021c
+Database version 2024a
 
-Generated on 2022-08-07
+Generated on 2024-03-14
 
-https://github.com/evansiroky/timezone-boundary-builder/releases/tag/2021c
+https://github.com/evansiroky/timezone-boundary-builder/releases/tag/2024a