diff --git a/package.json b/package.json
index 554e186..1029480 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   "dependencies": {
     "coffee-script": "1.10.0",
     "commander": "2.9.0",
-    "lodash": "3.10.1",
+    "lodash": "4.11.1",
     "pegjs": "0.9.0",
     "string-hash": "1.1.0"
   },