diff --git a/package-lock.json b/package-lock.json
index 24be984..6fb8e07 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3792,18 +3792,32 @@
       "dev": true
     },
     "elliptic": {
-      "version": "6.4.1",
-      "resolved": "https://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/elliptic/-/elliptic-6.4.1.tgz",
-      "integrity": "sha1-wtC3d2kRuGcixjLDwGxg8vgZk5o=",
+      "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"
+      },
+      "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==",
+          "dev": true
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+          "dev": true
+        }
       }
     },
     "emoji-regex": {
diff --git a/yarn.lock b/yarn.lock
index 6813b02..83ae380 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -705,6 +705,11 @@
     error-stack-parser "^2.0.0"
     string-width "^2.0.0"
 
+"@types/es6-promise@0.0.32":
+  version "0.0.32"
+  resolved "https://registry.yarnpkg.com/@types/es6-promise/-/es6-promise-0.0.32.tgz#3bcf44fb1e429f3df76188c8c6d874463ba371fd"
+  integrity sha1-O89E+x5Cnz33YYjIxth0Rjujcf0=
+
 "@types/events@*":
   version "3.0.0"
   resolved "https://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/@types/events/-/events-3.0.0.tgz#2862f3f58a9a7f7c3e78d79f130dd4d71c25c2a7"
@@ -1508,10 +1513,10 @@ bluebird@^3.1.1, bluebird@^3.5.1, bluebird@^3.5.3:
   resolved "https://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/bluebird/-/bluebird-3.5.4.tgz#d6cc661595de30d5b3af5fcedd3c0b3ef6ec5714"
   integrity sha1-1sxmFZXeMNWzr1/O3TwLPvbsVxQ=
 
-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://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
-  integrity sha1-LN4J617jQfSEdGuwMJsyU7GxRC8=
+bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.11.9:
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.12.0.tgz#775b3f278efbb9718eec7361f483fb36fbbfea88"
+  integrity sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==
 
 body-parser@1.18.3:
   version "1.18.3"
@@ -1570,9 +1575,9 @@ braces@^2.3.1, braces@^2.3.2:
     split-string "^3.0.2"
     to-regex "^3.0.1"
 
-brorand@^1.0.1:
+brorand@^1.0.1, brorand@^1.1.0:
   version "1.1.0"
-  resolved "https://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
+  resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
   integrity sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=
 
 browserify-aes@^1.0.0, browserify-aes@^1.0.4:
@@ -2790,17 +2795,17 @@ elegant-spinner@^1.0.1:
   integrity sha1-2wQ1IcldfjA/2PNFvtwzSc+wcp4=
 
 elliptic@^6.0.0:
-  version "6.4.1"
-  resolved "https://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/elliptic/-/elliptic-6.4.1.tgz#c2d0b7776911b86722c632c3c06c60f2f819939a"
-  integrity sha1-wtC3d2kRuGcixjLDwGxg8vgZk5o=
+  version "6.5.4"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.4.tgz#da37cebd31e79a1367e941b592ed1fbebd58abbb"
+  integrity sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==
   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"
 
 emoji-regex@^7.0.1:
   version "7.0.3"
@@ -2880,6 +2885,11 @@ es-to-primitive@^1.2.0:
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
+es6-promise@^4.2.2:
+  version "4.2.8"
+  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.8.tgz#4eb21594c972bc40553d276e510539143db53e0a"
+  integrity sha512-HJDGx5daxeIvxdBxvG2cb9g4tEvwIk3i8+nhX0yGrYmZUzbkdg8QbDevheDB8gd0//uPj4c1EQua8Q+MViT0/w==
+
 escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -3571,8 +3581,8 @@ hash-sum@^1.0.2:
 
 hash.js@^1.0.0, hash.js@^1.0.3:
   version "1.1.7"
-  resolved "https://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/hash.js/-/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
-  integrity sha1-C6vKU46NTuSg+JiNaIZlN6ADz0I=
+  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
+  integrity sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==
   dependencies:
     inherits "^2.0.3"
     minimalistic-assert "^1.0.1"
@@ -3592,9 +3602,9 @@ highlight.js@^9.6.0:
   resolved "https://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/highlight.js/-/highlight.js-9.15.6.tgz#72d4d8d779ec066af9a17cb14360c3def0aa57c4"
   integrity sha1-ctTY13nsBmr5oXyxQ2DD3vCqV8Q=
 
-hmac-drbg@^1.0.0:
+hmac-drbg@^1.0.1:
   version "1.0.1"
-  resolved "https://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
+  resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
   integrity sha1-0nRXAQJabHdabFRXk+1QL8DGSaE=
   dependencies:
     hash.js "^1.0.3"
@@ -3853,16 +3863,21 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.1, inherits@~2.0.3:
-  version "2.0.3"
-  resolved "https://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
-  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
+inherits@2, inherits@^2.0.1, inherits@^2.0.3, inherits@^2.0.4, inherits@~2.0.1, inherits@~2.0.3:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
 
 inherits@2.0.1:
   version "2.0.1"
   resolved "https://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/inherits/-/inherits-2.0.1.tgz#b17d08d326b4423e568eff719f91b0b1cbdf69f1"
   integrity sha1-sX0I0ya0Qj5Wjv9xn5GwscvfafE=
 
+inherits@2.0.3:
+  version "2.0.3"
+  resolved "https://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
+
 ini@~1.3.0:
   version "1.3.5"
   resolved "https://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
@@ -4768,12 +4783,12 @@ mini-css-extract-plugin@^0.6.0:
 
 minimalistic-assert@^1.0.0, minimalistic-assert@^1.0.1:
   version "1.0.1"
-  resolved "https://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
-  integrity sha1-LhlN4ERibUoQ5/f7wAznPoPk1cc=
+  resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
+  integrity sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==
 
-minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
+minimalistic-crypto-utils@^1.0.1:
   version "1.0.1"
-  resolved "https://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
+  resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
   integrity sha1-9sAMHAsIIkblxNmd+4x8CDsrWCo=
 
 minimatch@^3.0.4:
@@ -7541,6 +7556,11 @@ vue@^2.6.10:
   resolved "https://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/vue/-/vue-2.6.10.tgz#a72b1a42a4d82a721ea438d1b6bf55e66195c637"
   integrity sha1-pysaQqTYKnIepDjRtr9V5mGVxjc=
 
+vuex-class@^0.3.2:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/vuex-class/-/vuex-class-0.3.2.tgz#c7e96a076c1682137d4d23a8dcfdc63f220e17a8"
+  integrity sha512-m0w7/FMsNcwJgunJeM+wcNaHzK2KX1K1rw2WUQf7Q16ndXHo7pflRyOV/E8795JO/7fstyjH3EgqBI4h4n4qXQ==
+
 vuex@^3.0.1:
   version "3.1.0"
   resolved "https://artifactory3-eu1.moneysupermarket.com/artifactory/api/npm/money-npm/vuex/-/vuex-3.1.0.tgz#634b81515cf0cfe976bd1ffe9601755e51f843b9"