diff --git a/package.json b/package.json
index 22c523e..8f60d64 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "eventemitter2": "0.4.14",
     "hash.js": "1.0.3",
     "istanbul": "0.3.21",
-    "lodash": "3.10.1",
+    "lodash": "4.17.21",
     "map-stream": "0.1.0",
     "mocha": "2.3.3",
     "nock": "2.13.0",