diff --git a/package.json b/package.json
index 55d3f56..c542c71 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,6 @@
   "readmeFilename": "README.md",
   "gitHead": "f388635a5ab4f4da25702dc0999385d437bdf2bc",
   "dependencies": {
-    "extend": "~1.1.3"
+    "extend": "^2.0.0"
   }
 }