diff --git a/package.json b/package.json
index 07103c4..7147178 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "bluebird": "^2.3.11",
     "body-parser": "^1.9.0",
     "express": "^4.9.7",
-    "lodash": "^2.4.1",
+    "lodash": "^4.17.19",
     "moment": "^2.8.3",
     "path": "^0.4.9",
     "querystring": "^0.2.0",