diff --git a/app/package.json b/app/package.json
index 4e2cc77..b0a6f2f 100644
--- a/app/package.json
+++ b/app/package.json
@@ -2,6 +2,6 @@
   "name": "php",
   "version": "2.1.3",
   "dependencies": {
-    "lodash": "^3.9.3"
+    "lodash": "^4.17.19"
   }
 }