diff --git a/src/hooks/index.ts b/src/hooks/index.ts
index 91e95df..846e73b 100644
--- a/src/hooks/index.ts
+++ b/src/hooks/index.ts
@@ -1,3 +1,7 @@
 /* istanbul ignore file */
+import classNames from 'classnames';
+
 export * from './use-cached-state';
 export * from './use-effect';
+
+export { classNames };