diff --git a/package.json b/package.json
index 5d1090b..d2f49b8 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,6 @@
   },
   "homepage": "https://github.com/futurechan/node_acl-mem-regexp",
   "dependencies": {
-    "lodash": "^2.4.1"
+    "lodash": "^4.17.19"
   }
 }