diff --git a/package-lock.json b/package-lock.json
index 43d9692..9c6780d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4171,9 +4171,9 @@
       "dev": true
     },
     "elliptic": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.2.tgz",
-      "integrity": "sha512-f4x70okzZbIQl/NSRLkI/+tteV/9WqL98zx+SQ69KbXxmVrmjwsNUPn/gYJJ0sHvEak24cZgHIPegRePAtA/xw==",
+      "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",
@@ -10637,11 +10637,6 @@
         }
       }
     },
-    "tether": {
-      "version": "1.4.7",
-      "resolved": "https://registry.npmjs.org/tether/-/tether-1.4.7.tgz",
-      "integrity": "sha512-Z0J1aExjoFU8pybVkQAo/vD2wfSO63r+XOPfWQMC5qtf1bI7IWqNk4MiyBcgvvnY8kqnY06dVdvwTK2S3PU/Fw=="
-    },
     "through": {
       "version": "2.3.8",
       "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",