diff --git a/package.json b/package.json
index 53878f3..8effd49 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
   "devDependencies": {
     "coveralls": "^2.11.15",
     "cross-env": "^4.0.0",
-    "directory-tree": "^1.1.1",
+    "directory-tree": "^2.0.0",
     "eslint": "^3.9.1",
     "eslint-config-airbnb-base": "^11.0.1",
     "eslint-plugin-import": "^2.2.0",