diff --git a/package.json b/package.json
index a8c5f83..0123cb3 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "yeoman-generator": "^1.1.0"
   },
   "devDependencies": {
-    "fs-extra": "^2.0.0",
+    "fs-extra": "^4.0.0",
     "jshint": "^2.8.0",
     "mocha": "^3.2.0",
     "yeoman-test": "^1.6.0"