diff --git a/src/adapters/cache/MapCache.js b/src/adapters/cache/MapCache.js
index 63e57426..073af887 100644
--- a/src/adapters/cache/MapCache.js
+++ b/src/adapters/cache/MapCache.js
@@ -1,4 +1,4 @@
-import ICacheAdapter from "./ICacheAdapter";
+import ICacheAdapter from "./ICacheAdapter.js";
 
 export default class MapCache extends ICacheAdapter {
 	constructor() {