diff --git a/package.json b/package.json
index 1a2ccbf..983166b 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "istanbul": "0.4.2",
     "jscheck": "0.2.0",
     "jshint": "2.9.5",
-    "lodash": "3.10.1",
+    "lodash": "4.17.19",
     "mocha": "2.4.5",
     "mocha-istanbul": "0.2.0",
     "mocha-lcov-reporter": "1.2.0",