diff --git a/package.json b/package.json
index 17740db..7ba5c9b 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "bluebird": "3.4.1",
     "co": "4.6.0",
     "expect.js": "0.3.1",
-    "lodash": "4.13.1",
+    "lodash": "4.17.21",
     "mocha": "^2.3.3",
     "pg": "*",
     "pg-cursor": "^1.3.0",