diff --git a/dist/logger.d.ts b/dist/logger.d.ts
index 9863e850a..ec52e727e 100644
--- a/dist/logger.d.ts
+++ b/dist/logger.d.ts
@@ -12,4 +12,4 @@ export interface LoggerOption<S> {
   mutationTransformer?: <P extends Payload>(mutation: P) => any;
 }
 
-export default function createLogger<S>(option: LoggerOption<S>): Plugin<S>;
+export default function createLogger<S>(option?: LoggerOption<S>): Plugin<S>;