diff --git a/VueRouter/class09/package-lock.json b/VueRouter/class09/package-lock.json
index 1bbe321..2c9fb31 100644
--- a/VueRouter/class09/package-lock.json
+++ b/VueRouter/class09/package-lock.json
@@ -1658,9 +1658,9 @@
       "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0="
     },
     "elliptic": {
-      "version": "6.5.2",
-      "resolved": "http://r.cnpmjs.org/elliptic/download/elliptic-6.5.2.tgz",
-      "integrity": "sha1-BcVnjXFzwEnYykM1UiJKSV0ON2I=",
+      "version": "6.5.3",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.3.tgz",
+      "integrity": "sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==",
       "dev": true,
       "requires": {
         "bn.js": "^4.4.0",