diff --git a/training/package.json b/training/package.json
old mode 100755
new mode 100644
index 6252e97..39e7a0f
--- a/training/package.json
+++ b/training/package.json
@@ -9,6 +9,6 @@
   "author": "",
   "license": "MIT",
   "dependencies": {
-    "express": "^4.16.2"
+    "express": "^4.22.0"
   }
 }