diff --git a/package.json b/package.json
index 42cb8609d..997de25e7 100644
--- a/package.json
+++ b/package.json
@@ -142,7 +142,7 @@
 		"koa-favicon": "2.0.1",
 		"koa-json-body": "5.3.0",
 		"koa-logger": "3.2.0",
-		"koa-mount": "3.0.0",
+		"koa-mount": "4.0.0",
 		"koa-multer": "1.0.2",
 		"koa-router": "7.4.0",
 		"koa-send": "5.0.0",