diff --git a/package-lock.json b/package-lock.json
index 80eed9e..b3bf762 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2368,9 +2368,9 @@
       "integrity": "sha1-O/exkZeP8ui8PK+BG7UrHp+eqyU="
     },
     "elliptic": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npm.taobao.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==",
       "requires": {
         "bn.js": "^4.4.0",
         "brorand": "^1.0.1",
@@ -2382,9 +2382,9 @@
       },
       "dependencies": {
         "bn.js": {
-          "version": "4.11.8",
-          "resolved": "https://registry.npm.taobao.org/bn.js/download/bn.js-4.11.8.tgz",
-          "integrity": "sha1-LN4J617jQfSEdGuwMJsyU7GxRC8="
+          "version": "4.11.9",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
+          "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw=="
         }
       }
     },