diff --git a/package.json b/package.json
index c1fc092..0db0919 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "chai-things": "^0.2.0",
     "coveralls": "^2.11.2",
     "istanbul": "^0.3.13",
-    "lodash": "^3.6.0",
+    "lodash": "^4.17.20",
     "mocha": "^2.2.1",
     "mocha-lcov-reporter": "0.0.2",
     "proxyquire": "^1.4.0",