diff --git a/types/plugin/duration.d.ts b/types/plugin/duration.d.ts
index a7e733fe2..9675a80b8 100644
--- a/types/plugin/duration.d.ts
+++ b/types/plugin/duration.d.ts
@@ -1,5 +1,5 @@
 import { PluginFunc } from 'dayjs'
-import { OpUnitType, UnitTypeLongPlural } from "../index";
+import { OpUnitType, UnitTypeLongPlural } from 'dayjs';
 
 declare const plugin: PluginFunc
 export as namespace plugin;