diff --git a/package.json b/package.json
index 136c4e2..62ae214 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "debug": "^2.2.0",
     "http-proxy": "^1.13.2",
     "kcors": "^1.1.0",
-    "koa": "^2.0.0-alpha.3",
+    "koa": "^2.0.0",
     "koa-bodyparser": "^3.0.0",
     "koa-compress": "^1.0.9",
     "koa-conditional-get": "^1.0.3",