diff --git a/types/global.d.ts b/types/global.d.ts
index 6f583ba7..3685ffbd 100644
--- a/types/global.d.ts
+++ b/types/global.d.ts
@@ -1,3 +1,4 @@
+export {}
 declare global {
   declare interface Fn<T = any> {
     (...arg: T[]): T