diff --git a/package.json b/package.json
index ebcd482..c4dc3a4 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "grunt-notify": "^0.3.0",
     "jsonwebtoken": "~0.1.0",
     "ldapjs": "^0.7.1",
-    "lodash": "~2.4.1",
+    "lodash": "~4.17.15",
     "mail": "~0.2.3",
     "mongoose": "~3.8.8",
     "pagedown": "~1.1.0",