diff --git a/package.json b/package.json
index 826f5c9..9c55bff 100644
--- a/package.json
+++ b/package.json
@@ -55,6 +55,6 @@
   "dependencies": {
     "async-validator": "1.3.x",
     "object-assign": "4.x",
-    "rc-util": "3.x"
+    "rc-util": "4.x"
   }
 }