diff --git a/package.json b/package.json
index d18b83c9..a7fa52e9 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "express-useragent": "0.1.9",
     "feed": "^0.3.0",
     "github-webhook-handler": "0.5.0",
-    "lodash": "3.7.0",
+    "lodash": "4.17.21",
     "lru-diskcache": "1.1.1",
     "octocat": "0.10.2",
     "q": "1.2.0",