diff --git a/Sources/FoundationEssentials/Locale/CMakeLists.txt b/Sources/FoundationEssentials/Locale/CMakeLists.txt
index 66fdc9961..4fbc5ce8c 100644
--- a/Sources/FoundationEssentials/Locale/CMakeLists.txt
+++ b/Sources/FoundationEssentials/Locale/CMakeLists.txt
@@ -18,6 +18,7 @@ target_sources(FoundationEssentials PRIVATE
     Locale.swift
     Locale_Autoupdating.swift
     Locale_Cache.swift
+    Locale_Notifications.swift
     Locale_Preferences.swift
     Locale_Protocol.swift
     Locale_Unlocalized.swift)