diff --git a/student-app-frontend/package-lock.json b/student-app-frontend/package-lock.json
index 7eb9345..3688c3e 100644
--- a/student-app-frontend/package-lock.json
+++ b/student-app-frontend/package-lock.json
@@ -3007,9 +3007,9 @@
       },
       "dependencies": {
         "json5": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
-          "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.2.tgz",
+          "integrity": "sha512-g1MWMLBiz8FKi1e4w0UyVL3w+iJceWAFBAaBnnGKOpNa5f8TLktkbre1+s6oICydWAm+HRUGTmI+//xv2hvXYA==",
           "requires": {
             "minimist": "^1.2.0"
           }
@@ -8365,9 +8365,9 @@
       },
       "dependencies": {
         "json5": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
-          "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.2.tgz",
+          "integrity": "sha512-g1MWMLBiz8FKi1e4w0UyVL3w+iJceWAFBAaBnnGKOpNa5f8TLktkbre1+s6oICydWAm+HRUGTmI+//xv2hvXYA==",
           "requires": {
             "minimist": "^1.2.0"
           }
@@ -10598,12 +10598,9 @@
       "integrity": "sha512-c7/8mbUsKigAbLkD5B010BK4D9LZm7A1pNItkEwiUZRpIN66exu/e7YQWysGun+TRKaJp8MhemM+VkfWv42aCA=="
     },
     "json5": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.0.tgz",
-      "integrity": "sha512-f+8cldu7X/y7RAJurMEJmdoKXGB/X550w2Nr3tTbezL6RwEE/iMcm+tZnXeoZtKuOq6ft8+CqzEkrIgx1fPoQA==",
-      "requires": {
-        "minimist": "^1.2.5"
-      }
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.3.tgz",
+      "integrity": "sha512-XmOWe7eyHYH14cLdVPoyg+GOH3rYX++KpzrylJwSW98t3Nk+U8XOl8FWKOgwtzdb8lXGf6zYwDUzeHMWfxasyg=="
     },
     "jsonfile": {
       "version": "6.1.0",
@@ -11355,9 +11352,9 @@
       },
       "dependencies": {
         "json5": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
-          "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.2.tgz",
+          "integrity": "sha512-g1MWMLBiz8FKi1e4w0UyVL3w+iJceWAFBAaBnnGKOpNa5f8TLktkbre1+s6oICydWAm+HRUGTmI+//xv2hvXYA==",
           "requires": {
             "minimist": "^1.2.0"
           }
@@ -13053,9 +13050,9 @@
       },
       "dependencies": {
         "json5": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
-          "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.2.tgz",
+          "integrity": "sha512-g1MWMLBiz8FKi1e4w0UyVL3w+iJceWAFBAaBnnGKOpNa5f8TLktkbre1+s6oICydWAm+HRUGTmI+//xv2hvXYA==",
           "requires": {
             "minimist": "^1.2.0"
           }
@@ -14750,9 +14747,9 @@
           "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0="
         },
         "json5": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
-          "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.2.tgz",
+          "integrity": "sha512-g1MWMLBiz8FKi1e4w0UyVL3w+iJceWAFBAaBnnGKOpNa5f8TLktkbre1+s6oICydWAm+HRUGTmI+//xv2hvXYA==",
           "requires": {
             "minimist": "^1.2.0"
           }
@@ -16790,9 +16787,9 @@
       },
       "dependencies": {
         "json5": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
-          "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.2.tgz",
+          "integrity": "sha512-g1MWMLBiz8FKi1e4w0UyVL3w+iJceWAFBAaBnnGKOpNa5f8TLktkbre1+s6oICydWAm+HRUGTmI+//xv2hvXYA==",
           "requires": {
             "minimist": "^1.2.0"
           }
@@ -17792,9 +17789,9 @@
           "integrity": "sha1-HxbkqiKwTRM2tmGIpmrzxgDDpm0="
         },
         "json5": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
-          "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.2.tgz",
+          "integrity": "sha512-g1MWMLBiz8FKi1e4w0UyVL3w+iJceWAFBAaBnnGKOpNa5f8TLktkbre1+s6oICydWAm+HRUGTmI+//xv2hvXYA==",
           "requires": {
             "minimist": "^1.2.0"
           }
diff --git a/student-app-frontend/yarn.lock b/student-app-frontend/yarn.lock
index fa2a668..0681d9e 100644
--- a/student-app-frontend/yarn.lock
+++ b/student-app-frontend/yarn.lock
@@ -1424,6 +1424,17 @@
   dependencies:
     "@babel/runtime" "^7.4.4"
 
+"@material-ui/lab@^4.0.0-alpha.57":
+  version "4.0.0-alpha.61"
+  resolved "https://registry.yarnpkg.com/@material-ui/lab/-/lab-4.0.0-alpha.61.tgz#9bf8eb389c0c26c15e40933cc114d4ad85e3d978"
+  integrity sha512-rSzm+XKiNUjKegj8bzt5+pygZeckNLOr+IjykH8sYdVk7dE9y2ZuUSofiMV2bJk3qU+JHwexmw+q0RyNZB9ugg==
+  dependencies:
+    "@babel/runtime" "^7.4.4"
+    "@material-ui/utils" "^4.11.3"
+    clsx "^1.0.4"
+    prop-types "^15.7.2"
+    react-is "^16.8.0 || ^17.0.0"
+
 "@material-ui/styles@^4.11.3":
   version "4.11.3"
   resolved "https://registry.yarnpkg.com/@material-ui/styles/-/styles-4.11.3.tgz#1b8d97775a4a643b53478c895e3f2a464e8916f2"
@@ -1470,6 +1481,15 @@
     prop-types "^15.7.2"
     react-is "^16.8.0 || ^17.0.0"
 
+"@material-ui/utils@^4.11.3":
+  version "4.11.3"
+  resolved "https://registry.yarnpkg.com/@material-ui/utils/-/utils-4.11.3.tgz#232bd86c4ea81dab714f21edad70b7fdf0253942"
+  integrity sha512-ZuQPV4rBK/V1j2dIkSSEcH5uT6AaHuKWFfotADHsC0wVL1NLd2WkFCm4ZZbX33iO4ydl6V0GPngKm8HZQ2oujg==
+  dependencies:
+    "@babel/runtime" "^7.4.4"
+    prop-types "^15.7.2"
+    react-is "^16.8.0 || ^17.0.0"
+
 "@nodelib/fs.scandir@2.1.4":
   version "2.1.4"
   resolved "https://registry.yarnpkg.com/@nodelib/fs.scandir/-/fs.scandir-2.1.4.tgz#d4b3549a5db5de2683e0c1071ab4f140904bbf69"
@@ -7665,9 +7685,9 @@ json3@^3.3.2:
   integrity sha512-c7/8mbUsKigAbLkD5B010BK4D9LZm7A1pNItkEwiUZRpIN66exu/e7YQWysGun+TRKaJp8MhemM+VkfWv42aCA==
 
 json5@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/json5/-/json5-1.0.1.tgz#779fb0018604fa854eacbf6252180d83543e3dbe"
-  integrity sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/json5/-/json5-1.0.2.tgz#63d98d60f21b313b77c4d6da18bfa69d80e1d593"
+  integrity sha512-g1MWMLBiz8FKi1e4w0UyVL3w+iJceWAFBAaBnnGKOpNa5f8TLktkbre1+s6oICydWAm+HRUGTmI+//xv2hvXYA==
   dependencies:
     minimist "^1.2.0"
 
@@ -8330,9 +8350,9 @@ minimatch@3.0.4, minimatch@^3.0.4:
     brace-expansion "^1.1.7"
 
 minimist@^1.1.1, minimist@^1.1.3, minimist@^1.2.0, minimist@^1.2.5:
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
-  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.7.tgz#daa1c4d91f507390437c6a8bc01078e7000c4d18"
+  integrity sha512-bzfL1YUZsP41gmu/qjrEk0Q6i2ix/cVeAhbCbqH9u3zYutS1cLg00qhrD0M2MVdCcx4Sc0UpP2eBWo9rotpq6g==
 
 minipass-collect@^1.0.2:
   version "1.0.2"