diff --git a/part_4/package-lock.json b/part_4/package-lock.json
index 59d40960..930cdcb3 100644
--- a/part_4/package-lock.json
+++ b/part_4/package-lock.json
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@@ -7532,12 +7552,6 @@
         "typedarray-to-buffer": "^3.1.5"
       }
     },
-    "ws": {
-      "version": ">=7.4.6",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.2.tgz",
-      "integrity": "sha512-T4tewALS3+qsrpGI/8dqNMLIVdq/g/85U98HPMa6F0m6xTbvhXU6RCQLqPH3+SlomNV/LdY6RXEbBpMH6EOJnA==",
-      "dev": true
-    },
     "xdg-basedir": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-4.0.0.tgz",
@@ -7565,8 +7579,7 @@
     "yallist": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
-      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
-      "dev": true
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
     },
     "yargs": {
       "version": "15.4.1",
diff --git a/part_4/package.json b/part_4/package.json
index 736fc9a3..fb6da5bc 100644
--- a/part_4/package.json
+++ b/part_4/package.json
@@ -19,7 +19,7 @@
     "dotenv": "^8.2.0",
     "express": "^4.17.1",
     "express-async-errors": "^3.1.1",
-    "jsonwebtoken": "^8.5.1",
+    "jsonwebtoken": "^9.0.0",
     "mongoose": "^5.11.11",
     "mongoose-unique-validator": "^2.0.3"
   },