diff --git a/package-lock.json b/package-lock.json
index 751b789..736710e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2054,17 +2054,24 @@
       "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0="
     },
     "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": "6.5.4",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+      "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
       "requires": {
-        "bn.js": "^4.4.0",
-        "brorand": "^1.0.1",
+        "bn.js": "^4.11.9",
+        "brorand": "^1.1.0",
         "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"
+        "hmac-drbg": "^1.0.1",
+        "inherits": "^2.0.4",
+        "minimalistic-assert": "^1.0.1",
+        "minimalistic-crypto-utils": "^1.0.1"
+      },
+      "dependencies": {
+        "bn.js": {
+          "version": "4.12.0",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+          "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA=="
+        }
       }
     },
     "emoji-regex": {
@@ -3518,8 +3525,7 @@
         },
         "brorand": {
           "version": "1.1.0",
-          "bundled": true,
-          "dev": true
+          "bundled": true
         },
         "browserify-aes": {
           "version": "1.2.0",
@@ -3633,20 +3639,6 @@
             "create-hmac": "^1.1.4"
           }
         },
-        "elliptic": {
-          "version": "6.5.0",
-          "bundled": true,
-          "dev": true,
-          "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"
-          }
-        },
         "emoji-regex": {
           "version": "7.0.3",
           "bundled": true,
@@ -3744,7 +3736,6 @@
         "hash.js": {
           "version": "1.1.7",
           "bundled": true,
-          "dev": true,
           "requires": {
             "inherits": "^2.0.3",
             "minimalistic-assert": "^1.0.1"
@@ -3753,7 +3744,6 @@
         "hmac-drbg": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true,
           "requires": {
             "hash.js": "^1.0.3",
             "minimalistic-assert": "^1.0.0",
@@ -3762,8 +3752,7 @@
         },
         "inherits": {
           "version": "2.0.4",
-          "bundled": true,
-          "dev": true
+          "bundled": true
         },
         "invert-kv": {
           "version": "2.0.0",
@@ -3853,13 +3842,11 @@
         },
         "minimalistic-assert": {
           "version": "1.0.1",
-          "bundled": true,
-          "dev": true
+          "bundled": true
         },
         "minimalistic-crypto-utils": {
           "version": "1.0.1",
-          "bundled": true,
-          "dev": true
+          "bundled": true
         },
         "nan": {
           "version": "2.14.0",