diff --git a/package-lock.json b/package-lock.json
index bb3d0ff..80bd7f4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4596,9 +4596,9 @@
       "integrity": "sha512-leBfJwLuyGs1jEei2QioI+PjVMavmUIvPYidE8dCCYWLAq0uefhN3NYgDNb8WxD3uiUNnJ3ScMXg0upSlwySzQ=="
     },
     "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==",
       "requires": {
         "bn.js": "^4.4.0",
         "brorand": "^1.0.1",
@@ -4610,9 +4610,9 @@
       },
       "dependencies": {
         "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=="
         }
       }
     },
@@ -13514,20 +13514,6 @@
           "resolved": "https://registry.npmjs.org/elegant-spinner/-/elegant-spinner-1.0.1.tgz",
           "integrity": "sha1-2wQ1IcldfjA/2PNFvtwzSc+wcp4="
         },
-        "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==",
-          "requires": {
-            "bn.js": "^4.4.0",
-            "brorand": "^1.0.1",
-            "hash.js": "^1.0.0",
-            "hmac-drbg": "^1.0.0",
-            "inherits": "^2.0.1",
-            "minimalistic-assert": "^1.0.0",
-            "minimalistic-crypto-utils": "^1.0.0"
-          }
-        },
         "email-addresses": {
           "version": "3.1.0",
           "resolved": "https://registry.npmjs.org/email-addresses/-/email-addresses-3.1.0.tgz",
@@ -31622,7 +31608,6 @@
             "bn.js": "=2.0.4",
             "bs58": "=2.0.0",
             "buffer-compare": "=1.0.0",
-            "elliptic": "=3.0.3",
             "inherits": "=2.0.1",
             "lodash": "=3.10.1"
           },
@@ -31642,32 +31627,6 @@
               "resolved": "https://registry.npmjs.org/buffer-compare/-/buffer-compare-1.0.0.tgz",
               "integrity": "sha1-rKp6lm6Y7un64Usxw5pfFY+zxKI="
             },
-            "elliptic": {
-              "version": "3.0.3",
-              "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-3.0.3.tgz",
-              "integrity": "sha1-hlybQgv75VAGuflp+XoNLESWZZU=",
-              "requires": {
-                "bn.js": "^2.0.0",
-                "brorand": "^1.0.1",
-                "hash.js": "^1.0.0",
-                "inherits": "^2.0.1"
-              },
-              "dependencies": {
-                "brorand": {
-                  "version": "1.0.5",
-                  "resolved": "https://registry.npmjs.org/brorand/-/brorand-1.0.5.tgz",
-                  "integrity": "sha1-B7VMowKGq9Fxig4qgwgD79yb+gQ="
-                },
-                "hash.js": {
-                  "version": "1.0.3",
-                  "resolved": "https://registry.npmjs.org/hash.js/-/hash.js-1.0.3.tgz",
-                  "integrity": "sha1-EzL/ABVsCg/92CNgE9B7d6BFFXM=",
-                  "requires": {
-                    "inherits": "^2.0.1"
-                  }
-                }
-              }
-            },
             "inherits": {
               "version": "2.0.1",
               "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.1.tgz",
diff --git a/yarn.lock b/yarn.lock
index 6432dac..daae542 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3025,12 +3025,7 @@ bluebird@^3.5.5:
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
   integrity sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==
 
-bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
-  version "4.11.8"
-  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
-  integrity sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==
-
-bn.js@^4.11.0, bn.js@^4.11.1, bn.js@^4.11.8:
+bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.11.0, bn.js@^4.11.1, bn.js@^4.11.8, bn.js@^4.4.0:
   version "4.11.9"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.9.tgz#26d556829458f9d1e81fc48952493d0ba3507828"
   integrity sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==
@@ -4898,9 +4893,9 @@ electron-to-chromium@^1.3.378:
   integrity sha512-NK9DBBYEBb5f9D7zXI0hiE941gq3wkBeQmXs1ingigA/jnTg5mhwY2Z5egwA+ZI8OLGKCx0h1Cl8/xeuIBuLlg==
 
 elliptic@^6.0.0, elliptic@^6.4.0, elliptic@^6.5.2:
-  version "6.5.2"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.2.tgz#05c5678d7173c049d8ca433552224a495d0e3762"
-  integrity sha512-f4x70okzZbIQl/NSRLkI/+tteV/9WqL98zx+SQ69KbXxmVrmjwsNUPn/gYJJ0sHvEak24cZgHIPegRePAtA/xw==
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.3.tgz#cb59eb2efdaf73a0bd78ccd7015a62ad6e0f93d6"
+  integrity sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==
   dependencies:
     bn.js "^4.4.0"
     brorand "^1.0.1"