diff --git a/package.json b/package.json
index afaf295..a6e13a6 100644
--- a/package.json
+++ b/package.json
@@ -31,6 +31,9 @@
   },
   "license": "MIT",
   "main": "./lib",
+  "publishConfig": {
+    "tag": "koa2"
+  },
   "dependencies": {
     "bluebird": "^3.4.6",
     "jsonwebtoken": "^7.1.9",