diff --git a/package.json b/package.json
index 79a376d..6f0b0cf 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "yeoman-generator": "^1.1.0"
   },
   "devDependencies": {
-    "fs-extra": "^2.0.0",
+    "fs-extra": "^4.0.3",
     "jshint": "^2.9.4",
     "mocha": "^4.0.0",
     "yeoman-assert": "^3.0.0",