diff --git a/package.json b/package.json
index 3760876..4803b28 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
   ],
   "dependencies": {
     "broccoli": "^0.12.3",
-    "lodash": "^2.4.1",
+    "lodash": "^4.17.15",
     "analyze-css": "^0.5.0",
     "broccoli-filter": "^0.1.6",
     "chalk": "~0.4.0",