diff --git a/src/useUpdate.ts b/src/useUpdate.ts
index f4e08e2b..8a50dcb2 100644
--- a/src/useUpdate.ts
+++ b/src/useUpdate.ts
@@ -4,7 +4,7 @@ const updateReducer = (num: number): number => (num + 1) % 1_000_000;
 
 const useUpdate = () => {
   const [, update] = useReducer(updateReducer, 0);
-  return update;
+  return update as (() => void);
 };
 
 export default useUpdate;