diff --git a/lectures/05-auth/chirper/package-lock.json b/lectures/05-auth/chirper/package-lock.json
index bcb2307..d59a4f6 100644
--- a/lectures/05-auth/chirper/package-lock.json
+++ b/lectures/05-auth/chirper/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "chirper",
-  "version": "4.0.0",
+  "version": "5.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "chirper",
-      "version": "4.0.0",
+      "version": "5.0.0",
       "dependencies": {
         "body-parser": "^2.2.0",
         "express": "^5.1.0",
@@ -2707,9 +2707,10 @@
       }
     },
     "node_modules/validator": {
-      "version": "13.15.0",
-      "resolved": "https://registry.npmjs.org/validator/-/validator-13.15.0.tgz",
-      "integrity": "sha512-36B2ryl4+oL5QxZ3AzD0t5SsMNGvTtQHpjgFO5tbNxfXbMFkY822ktCDe1MnlqV3301QQI9SLHDNJokDI+Z9pA==",
+      "version": "13.15.23",
+      "resolved": "https://registry.npmjs.org/validator/-/validator-13.15.23.tgz",
+      "integrity": "sha512-4yoz1kEWqUjzi5zsPbAS/903QXSYp0UOtHsPpp7p9rHAw/W+dkInskAE386Fat3oKRROwO98d9ZB0G4cObgUyw==",
+      "license": "MIT",
       "engines": {
         "node": ">= 0.10"
       }