diff --git a/packages/keyv/package.json b/packages/keyv/package.json
index 66d621101..c4400e1e0 100644
--- a/packages/keyv/package.json
+++ b/packages/keyv/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "keyv",
-	"version": "5.0.2",
+	"version": "5.0.3",
 	"description": "Simple key-value storage with support for multiple backends",
 	"type": "module",
 	"main": "dist/index.cjs",
diff --git a/packages/keyv/src/index.ts b/packages/keyv/src/index.ts
index 2a3215552..4227c88a2 100644
--- a/packages/keyv/src/index.ts
+++ b/packages/keyv/src/index.ts
@@ -33,7 +33,7 @@ export type StoredDataRaw<Value> = DeserializedData<Value> | undefined;
 export type StoredData<Value> = StoredDataNoRaw<Value> | StoredDataRaw<Value>;
 
 export interface IEventEmitter {
-	on(event: string, listener: (...arguments_: any[]) => void): void;
+	on(event: string, listener: (...arguments_: any[]) => void): this;
 }
 
 export interface KeyvStoreAdapter extends IEventEmitter {