diff --git a/package.json b/package.json
index 13067de..85cb557 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "body-parser": "^1.4.3",
     "debug": "^2.2.0",
     "express": "^4.4.4",
-    "lodash": "^2.4.1",
+    "lodash": "^4.17.19",
     "logfmt": "^1.1.2",
     "mongodb": "^2.0.52",
     "request": "^2.67.0"