diff --git a/Meta/gn/secondary/Userland/Libraries/LibJS/BUILD.gn b/Meta/gn/secondary/Userland/Libraries/LibJS/BUILD.gn
index d8bf09c3d2..8bd7683729 100644
--- a/Meta/gn/secondary/Userland/Libraries/LibJS/BUILD.gn
+++ b/Meta/gn/secondary/Userland/Libraries/LibJS/BUILD.gn
@@ -16,6 +16,7 @@ shared_library("LibJS") {
     "//Userland/Libraries/LibLocale",
     "//Userland/Libraries/LibRegex",
     "//Userland/Libraries/LibSyntax",
+    "//Userland/Libraries/LibTimeZone",
     "//Userland/Libraries/LibUnicode",
   ]
   if (current_cpu == "x86" || current_cpu == "x64") {
diff --git a/Meta/gn/secondary/Userland/Libraries/LibTimeZone/BUILD.gn b/Meta/gn/secondary/Userland/Libraries/LibTimeZone/BUILD.gn
index e2760028aa..57e7144aeb 100644
--- a/Meta/gn/secondary/Userland/Libraries/LibTimeZone/BUILD.gn
+++ b/Meta/gn/secondary/Userland/Libraries/LibTimeZone/BUILD.gn
@@ -69,6 +69,8 @@ source_set("LibTimeZone") {
     "$target_gen_dir/..",
   ]
   sources = [
+    "DateTime.cpp",
+    "DateTime.h",
     "Forward.h",
     "TimeZone.cpp",
     "TimeZone.h",