diff --git a/package.json b/package.json
index fceaf63..aa6ba80 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "broccoli-funnel": "^0.2.3",
     "broccoli-jshint": "^0.5.6",
     "broccoli-merge-trees": "^0.2.1",
-    "lodash": "^3.10.0",
+    "lodash": "^4.17.19",
     "qunitjs": "^1.18.0"
   }
 }