diff --git a/course-04/exercises/c4-demos-master/04-chaos-monkey/package.json b/course-04/exercises/c4-demos-master/04-chaos-monkey/package.json
old mode 100755
new mode 100644
index cb600d62a6..ec3198ede8
--- a/course-04/exercises/c4-demos-master/04-chaos-monkey/package.json
+++ b/course-04/exercises/c4-demos-master/04-chaos-monkey/package.json
@@ -10,7 +10,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "lodash": "^4.17.21"
+    "lodash": "^4.17.23"
   },
   "devDependencies": {
     "aws-sdk": "^2.1106.0"