diff --git a/package.json b/package.json
index 2fd8f3c..6046127 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "body-parser": "^1.13.2",
     "errorhandler": "^1.4.1",
     "express": "^4.13.1",
-    "lodash": "^3.10.0",
+    "lodash": "^4.17.19",
     "markdown-serve": "^0.3.2",
     "method-override": "^2.3.4",
     "moment": "^2.10.6",