diff --git a/package.json b/package.json
index 5dc220c..4def707 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "koa-validate",
-	"version": "0.2.1",
+	"version": "0.2.2",
 	"description": "A koa params validate middleware.",
 	"main": "lib/validate.js",
 	"scripts": {