diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 012152f..e24528a 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",
@@ -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",
@@ -13727,9 +13738,9 @@
       }
     },
     "url-parse": {
-      "version": "1.4.7",
-      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.4.7.tgz",
-      "integrity": "sha512-d3uaVyzDB9tQoSXFvuSUNFibTd9zxd2bkVrDRvF5TmvWWQwqE4lgYJ5m+x1DbecWkw+LK4RNl2CU1hHuOKPVlg==",
+      "version": "1.5.3",
+      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.5.3.tgz",
+      "integrity": "sha512-IIORyIQD9rvj0A4CLWsHkBBJuNqWpFQe224b6j9t/ABmquIS0qDU2pY6kl6AuOrL5OkCXHMCFNe1jBcuAggjvQ==",
       "requires": {
         "querystringify": "^2.1.1",
         "requires-port": "^1.0.0"
diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index 39bc760..893edcb 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -8478,9 +8478,9 @@ querystring@0.2.0:
   integrity sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA=
 
 querystringify@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-2.1.1.tgz#60e5a5fd64a7f8bfa4d2ab2ed6fdf4c85bad154e"
-  integrity sha512-w7fLxIRCRT7U8Qu53jQnJyPkYZIaR4n5151KMfcJlO/A9397Wxb1amJvROTK6TOnp7PfoAmg/qXiNHI+08jRfA==
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-2.2.0.tgz#3345941b4153cb9d082d8eee4cda2016a9aef7f6"
+  integrity sha512-FIqgj2EUvTa7R50u0rGsyTftzjYmv/a3hO345bZNrqabNqjtgiDMgmo4mkUjd+nzU5oF3dClKqFIPUKybUyqoQ==
 
 raf@^3.4.1:
   version "3.4.1"
@@ -10232,9 +10232,9 @@ url-loader@2.3.0:
     schema-utils "^2.5.0"
 
 url-parse@^1.4.3:
-  version "1.4.7"
-  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.4.7.tgz#a8a83535e8c00a316e403a5db4ac1b9b853ae278"
-  integrity sha512-d3uaVyzDB9tQoSXFvuSUNFibTd9zxd2bkVrDRvF5TmvWWQwqE4lgYJ5m+x1DbecWkw+LK4RNl2CU1hHuOKPVlg==
+  version "1.5.3"
+  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.5.3.tgz#71c1303d38fb6639ade183c2992c8cc0686df862"
+  integrity sha512-IIORyIQD9rvj0A4CLWsHkBBJuNqWpFQe224b6j9t/ABmquIS0qDU2pY6kl6AuOrL5OkCXHMCFNe1jBcuAggjvQ==
   dependencies:
     querystringify "^2.1.1"
     requires-port "^1.0.0"