diff --git a/src/job/unique.ts b/src/job/unique.ts
index 4fe9d73..5ceb216 100644
--- a/src/job/unique.ts
+++ b/src/job/unique.ts
@@ -1,4 +1,4 @@
-import { Filter } from 'mongodb';
+import { Document, Filter } from 'mongodb';
 import { Job } from '.';
 
 export type UniqueMethod<TSchema extends Document = Document> = (