diff --git a/backend/package-lock.json b/backend/package-lock.json
old mode 100755
new mode 100644
index 6ee7b17..c692b18
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -1469,9 +1469,9 @@
       }
     },
     "elliptic": {
-      "version": "6.4.1",
-      "resolved": "https://nexus.solutions.consensys-uk.net/repository/komgo-npm-group/elliptic/-/elliptic-6.4.1.tgz",
-      "integrity": "sha512-BsXLz5sqX8OHcsh7CqBMztyXARmGQ3LWPtGjJi6DiJHq5C/qvi9P3OqgswKSDftbu8+IoI/QDTAm2fFnQ9SZSQ==",
+      "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",