diff --git a/demo/package-lock.json b/demo/package-lock.json
index 327e25c..82f3275 100644
--- a/demo/package-lock.json
+++ b/demo/package-lock.json
@@ -1865,9 +1865,9 @@
       "integrity": "sha512-+BNfZ+deCo8hMNpDqDnvT+c0XpJ5cUa6mqYq89bho2Ifze4URTqRkcwR399hWoTrTkbZ/XJYDgP6rc7pRgffEQ=="
     },
     "node_modules/elliptic": {
-      "version": "6.5.4",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
-      "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+      "version": "6.6.1",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.6.1.tgz",
+      "integrity": "sha512-RaddvvMatK2LJHqFJ+YA4WysVN5Ita9E35botqIYspQ4TkRAlCicdzKOjlyv/1Za5RyTNn7di//eEV0uTAfe3g==",
       "dev": true,
       "dependencies": {
         "bn.js": "^4.11.9",