diff --git a/Meta/CMake/locale_data.cmake b/Meta/CMake/locale_data.cmake
index f294ca9f25d..8af8e0ad9f6 100644
--- a/Meta/CMake/locale_data.cmake
+++ b/Meta/CMake/locale_data.cmake
@@ -1,6 +1,6 @@
 include(${CMAKE_CURRENT_LIST_DIR}/utils.cmake)
 
-set(CLDR_VERSION 44.1.0)
+set(CLDR_VERSION 45.0.0)
 set(CLDR_PATH "${SERENITY_CACHE_DIR}/CLDR" CACHE PATH "Download location for CLDR files")
 set(CLDR_VERSION_FILE "${CLDR_PATH}/version.txt")
 
diff --git a/Meta/gn/secondary/Userland/Libraries/LibLocale/BUILD.gn b/Meta/gn/secondary/Userland/Libraries/LibLocale/BUILD.gn
index 3d69c29bdea..8287f786193 100644
--- a/Meta/gn/secondary/Userland/Libraries/LibLocale/BUILD.gn
+++ b/Meta/gn/secondary/Userland/Libraries/LibLocale/BUILD.gn
@@ -8,7 +8,7 @@ locale_cache = cache_path + "CLDR/"
 
 if (enable_unicode_database_download) {
   download_file("locale_database_download") {
-    version = "44.1.0"
+    version = "45.0.0"
     url = "https://github.com/unicode-org/cldr-json/releases/download/" +
           version + "/cldr-" + version + "-json-modern.zip"
     cache = locale_cache