diff --git a/package-lock.json b/package-lock.json
index f7e9278..1cf29bd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -38,7 +38,7 @@
         "babel-eslint": "10.0.1",
         "chai": "4.1.2",
         "cross-env": "5.0.1",
-        "elliptic": "6.5.3",
+        "elliptic": "6.5.4",
         "eslint": "5.8.0",
         "eslint-plugin-vue": "5.0.0",
         "flush-promises": "1.0.2",
@@ -6591,18 +6591,18 @@
       "dev": true
     },
     "node_modules/elliptic": {
-      "version": "6.5.3",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.3.tgz",
-      "integrity": "sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==",
+      "version": "6.5.4",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+      "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
       "dev": true,
       "dependencies": {
-        "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"
       }
     },
     "node_modules/emoji-regex": {
@@ -22979,6 +22979,8 @@
           "dependencies": {
             "ansi-regex": {
               "version": "5.0.1",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+              "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
               "dev": true
             }
           }
@@ -24305,18 +24307,18 @@
       "dev": true
     },
     "elliptic": {
-      "version": "6.5.3",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.3.tgz",
-      "integrity": "sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==",
+      "version": "6.5.4",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+      "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
       "dev": true,
       "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"
       }
     },
     "emoji-regex": {
@@ -24616,6 +24618,8 @@
               "dependencies": {
                 "ansi-regex": {
                   "version": "5.0.1",
+                  "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+                  "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
                   "dev": true
                 }
               }
@@ -24686,6 +24690,8 @@
           "dependencies": {
             "ansi-regex": {
               "version": "5.0.1",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+              "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
               "dev": true
             }
           }
@@ -25712,6 +25718,8 @@
           "dependencies": {
             "ansi-regex": {
               "version": "5.0.1",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+              "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
               "dev": true
             }
           }
@@ -25959,6 +25967,8 @@
       "dependencies": {
         "ansi-regex": {
           "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+          "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
           "dev": true
         }
       }
@@ -27989,6 +27999,8 @@
           "dependencies": {
             "ansi-regex": {
               "version": "5.0.1",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+              "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
               "dev": true
             }
           }
@@ -28253,6 +28265,8 @@
           "dependencies": {
             "ansi-regex": {
               "version": "5.0.1",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+              "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
               "dev": true
             }
           }
@@ -28674,6 +28688,8 @@
           "dependencies": {
             "ansi-regex": {
               "version": "5.0.1",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+              "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
               "dev": true
             }
           }
@@ -29117,6 +29133,8 @@
           "dependencies": {
             "ansi-regex": {
               "version": "5.0.1",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+              "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
               "dev": true
             }
           }
@@ -30602,6 +30620,8 @@
           "dependencies": {
             "ansi-regex": {
               "version": "5.0.1",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+              "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
               "dev": true
             }
           }
@@ -31023,6 +31043,8 @@
           "dependencies": {
             "ansi-regex": {
               "version": "5.0.1",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+              "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
               "dev": true
             }
           }
@@ -32069,6 +32091,8 @@
       "dependencies": {
         "ansi-regex": {
           "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+          "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
           "dev": true
         }
       }
@@ -32294,6 +32318,8 @@
           "dependencies": {
             "ansi-regex": {
               "version": "5.0.1",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+              "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
               "dev": true
             }
           }
@@ -33256,6 +33282,8 @@
           "dependencies": {
             "ansi-regex": {
               "version": "5.0.1",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+              "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
               "dev": true
             }
           }
@@ -33725,6 +33753,8 @@
               "dependencies": {
                 "ansi-regex": {
                   "version": "5.0.1",
+                  "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+                  "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
                   "dev": true
                 }
               }
@@ -33822,6 +33852,8 @@
               "dependencies": {
                 "ansi-regex": {
                   "version": "5.0.1",
+                  "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+                  "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
                   "dev": true
                 }
               }
@@ -33839,6 +33871,8 @@
           "dependencies": {
             "ansi-regex": {
               "version": "5.0.1",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+              "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
               "dev": true
             }
           }
@@ -33874,6 +33908,8 @@
               "dependencies": {
                 "ansi-regex": {
                   "version": "5.0.1",
+                  "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+                  "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
                   "dev": true
                 }
               }
@@ -34053,6 +34089,8 @@
           "dependencies": {
             "ansi-regex": {
               "version": "5.0.1",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+              "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
               "dev": true
             }
           }
@@ -34340,6 +34378,8 @@
           "dependencies": {
             "ansi-regex": {
               "version": "5.0.1",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+              "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
               "dev": true
             }
           }
@@ -34423,4 +34463,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/package.json b/package.json
index e7408f4..8e5b1de 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "babel-eslint": "10.0.1",
     "chai": "4.1.2",
     "cross-env": "5.0.1",
-    "elliptic": "6.5.3",
+    "elliptic": "6.5.4",
     "eslint": "5.8.0",
     "eslint-plugin-vue": "5.0.0",
     "flush-promises": "1.0.2",