diff --git a/package.json b/package.json
index 6483f8f..2c6e146 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   },
   "dependencies": {
     "async": "^0.9.0",
-    "deep-extend": "~0.2.5",
+    "deep-extend": "~0.6.0",
     "glob": "~3.1.17",
     "juice": "^1.1.2",
     "lodash": "^3.8.0",