diff --git a/package.json b/package.json
index 0e18dc4..3f1aa16 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "koa-logger": "^1.2.1",
     "koa-route": "^1.1.4",
     "koa-session": "^3.1.0",
-    "koa-static": "^1.4.5",
+    "koa-static": "^2.0.0",
     "raw-body": "^1.2.1",
     "save-to": "^1.0.3",
     "streaming-json-stringify": "^1.0.0",