diff --git a/package.json b/package.json
index 4e67015..3c649a0 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "debug": "^2.2.0",
     "deep-diff": "^0.3.3",
     "jsonfile": "^2.2.3",
-    "lodash.defaultsdeep": "^3.10.0",
+    "lodash.defaultsdeep": "^4.6.1",
     "lodash.foreach": "^3.0.3",
     "lodash.get": "^3.7.0",
     "lodash.isnumber": "^3.0.1",