diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 012152f..0a48543 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -2135,6 +2135,8 @@
     },
     "@material-ui/core": {
       "version": "4.8.3",
+      "resolved": "https://registry.npmjs.org/@material-ui/core/-/core-4.8.3.tgz",
+      "integrity": "sha512-ZJbfJQmkuZCSQTf0nzpfZwizmDdCq8ruZxnPNFnhoKDqgJpMvV8TJRi8vdI9ls1tMuTqxlhyhw8556fxOpWpFQ==",
       "requires": {
         "@babel/runtime": "^7.4.4",
         "@material-ui/styles": "^4.8.2",
@@ -2154,6 +2156,8 @@
     },
     "@material-ui/icons": {
       "version": "4.5.1",
+      "resolved": "https://registry.npmjs.org/@material-ui/icons/-/icons-4.5.1.tgz",
+      "integrity": "sha512-YZ/BgJbXX4a0gOuKWb30mBaHaoXRqPanlePam83JQPZ/y4kl+3aW0Wv9tlR70hB5EGAkEJGW5m4ktJwMgxQAeA==",
       "requires": {
         "@babel/runtime": "^7.4.4"
       }
@@ -2352,6 +2356,8 @@
     },
     "@testing-library/jest-dom": {
       "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/@testing-library/jest-dom/-/jest-dom-4.2.4.tgz",
+      "integrity": "sha512-j31Bn0rQo12fhCWOUWy9fl7wtqkp7In/YP2p5ZFyRuiiB9Qs3g+hS4gAmDWONbAHcRmVooNJ5eOHQDCOmUFXHg==",
       "requires": {
         "@babel/runtime": "^7.5.1",
         "chalk": "^2.4.1",
@@ -2376,6 +2382,8 @@
     },
     "@testing-library/react": {
       "version": "9.4.0",
+      "resolved": "https://registry.npmjs.org/@testing-library/react/-/react-9.4.0.tgz",
+      "integrity": "sha512-XdhDWkI4GktUPsz0AYyeQ8M9qS/JFie06kcSnUVcpgOwFjAu9vhwR83qBl+lw9yZWkbECjL8Hd+n5hH6C0oWqg==",
       "requires": {
         "@babel/runtime": "^7.7.6",
         "@testing-library/dom": "^6.11.0",
@@ -2393,7 +2401,9 @@
       }
     },
     "@testing-library/user-event": {
-      "version": "7.2.1"
+      "version": "7.2.1",
+      "resolved": "https://registry.npmjs.org/@testing-library/user-event/-/user-event-7.2.1.tgz",
+      "integrity": "sha512-oZ0Ib5I4Z2pUEcoo95cT1cr6slco9WY7yiPpG+RGNkj8YcYgJnM7pXmYmorNOReh8MIGcKSqXyeGjxnr8YiZbA=="
     },
     "@types/babel__core": {
       "version": "7.1.3",
@@ -4118,11 +4128,6 @@
         }
       }
     },
-    "classnames": {
-      "version": "2.2.6",
-      "resolved": "https://registry.npmjs.org/classnames/-/classnames-2.2.6.tgz",
-      "integrity": "sha512-JR/iSQOSt+LQIWwrwEzJ9uk0xfN3mTVYMwt1Ir5mUcSN6pU+V4zQFFaJsclJbPuAUQH+yfWef6tm7l1quW3C8Q=="
-    },
     "clean-css": {
       "version": "4.2.1",
       "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.2.1.tgz",
@@ -5255,9 +5260,9 @@
       "integrity": "sha512-FtazvnXAizSVMxQNPqUcTv2UElY5r3uRPQwiU1Tyg/Yc2UFr+/3wqDoLIV9ES6ablW3IrCcR8uEK2ppxaNPWhw=="
     },
     "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",
@@ -11390,6 +11395,8 @@
     },
     "react": {
       "version": "16.12.0",
+      "resolved": "https://registry.npmjs.org/react/-/react-16.12.0.tgz",
+      "integrity": "sha512-fglqy3k5E+81pA8s+7K0/T3DBCF0ZDOher1elBFzF7O6arXJgzyu/FW+COxFvAWXJoJN9KIZbT2LXlukwphYTA==",
       "requires": {
         "loose-envify": "^1.1.0",
         "object-assign": "^4.1.1",
@@ -11551,6 +11558,8 @@
     },
     "react-dom": {
       "version": "16.12.0",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-16.12.0.tgz",
+      "integrity": "sha512-LMxFfAGrcS3kETtQaCkTKjMiifahaMySFDn71fZUNpPHZQEzmk/GiAeIT8JSOrHB23fnuCOMruL2a8NYlw+8Gw==",
       "requires": {
         "loose-envify": "^1.1.0",
         "object-assign": "^4.1.1",
@@ -11570,6 +11579,8 @@
     },
     "react-scripts": {
       "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/react-scripts/-/react-scripts-3.3.0.tgz",
+      "integrity": "sha512-hzPc6bxCc9GnsspWqk494c2Gpd0dRbk/C8q76BNQIENi9GMwoxFljOEcZoZcpFpJgQ45alxFR6QaLt+51qie7g==",
       "requires": {
         "@babel/core": "7.7.4",
         "@svgr/webpack": "4.3.3",
diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index 39bc760..7671cfd 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -2242,9 +2242,9 @@ bluebird@^3.5.5:
   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==
+  version "4.11.9"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.9.tgz#26d556829458f9d1e81fc48952493d0ba3507828"
+  integrity sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==
 
 body-parser@1.19.0:
   version "1.19.0"
@@ -3680,9 +3680,9 @@ electron-to-chromium@^1.3.317:
   integrity sha512-Tc8JQEfGQ1MzfSzI/bTlSr7btJv/FFO7Yh6tanqVmIWOuNCu6/D1MilIEgLtmWqIrsv+o4IjpLAhgMBr/ncNAA==
 
 elliptic@^6.0.0:
-  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"