diff --git a/package-lock.json b/package-lock.json
index 312ddf5..d44b245 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -832,9 +832,9 @@
       }
     },
     "bn.js": {
-      "version": "4.11.8",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
-      "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA=="
+      "version": "4.11.9",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
+      "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw=="
     },
     "body-parser": {
       "version": "1.18.3",
@@ -1374,9 +1374,9 @@
       "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0="
     },
     "elliptic": {
-      "version": "6.4.1",
-      "resolved": "https://registry.npmjs.org/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==",
       "requires": {
         "bn.js": "^4.4.0",
         "brorand": "^1.0.1",
diff --git a/package.json b/package.json
index 5d6d946..0ee09d1 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   "dependencies": {
     "body-parser": "^1.18.3",
     "crypto-js": "^3.1.9-1",
-    "elliptic": "^6.4.1",
+    "elliptic": "^6.5.3",
     "express": "^4.16.4",
     "uuid": "^3.3.2",
     "ws": "^6.1.2"