diff --git a/src/util/lang.ts b/src/util/lang.ts
index 5610168..5e39aa2 100644
--- a/src/util/lang.ts
+++ b/src/util/lang.ts
@@ -1,3 +1 @@
-export function classNames(...classes: (string | undefined | null | false)[]): string {
-  return classes.filter(Boolean).join(" ");
-}
+export { classNames } from "@quartz-community/utils/lang";