diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index c688acc..1685e75 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -172,11 +172,18 @@
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-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-5.2.6.tgz",
-      "integrity": "sha512-BOkF7RM4VcqfIlQeOz17FucfocUmyZBsGIWxVSggeCBz2pQDyOUJ1IqrDh5c4yldW9G4Gjhhn/AkPykvPevI3w==",
+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+      "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
       "requires": {
-        "tslib": "1.9.0"
+        "tslib": "^2.0.0"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "2.4.0",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+          "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ=="
+        }
       }
     },
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@@ -550,6 +557,7 @@
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       "integrity": "sha1-u13KOCu5TwXhUZQ3PRb9O6HKEQ0=",
       "dev": true,
+      "optional": true,
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@@ -1460,7 +1468,8 @@
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       "integrity": "sha1-JrOIXRD6E9t/wBquOquHAZngEkw=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -2025,7 +2034,8 @@
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       "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -2513,7 +2523,8 @@
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       "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -3638,7 +3649,8 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3689,7 +3701,8 @@
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           "version": "0.4.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3704,6 +3717,7 @@
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           "bundled": true,
           "dev": true,
+          "optional": true,
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           }
@@ -3712,6 +3726,7 @@
           "version": "2.10.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3720,6 +3735,7 @@
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+          "optional": true,
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@@ -3728,7 +3744,8 @@
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-          "dev": true
+          "dev": true,
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@@ -3745,12 +3762,14 @@
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           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.0.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3758,22 +3777,26 @@
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           "version": "0.0.1",
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-          "dev": true
+          "dev": true,
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           "version": "1.1.0",
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+          "dev": true,
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-          "dev": true
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           "version": "2.0.5",
           "bundled": true,
           "dev": true,
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@@ -3813,7 +3836,8 @@
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           "version": "1.0.0",
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-          "dev": true
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@@ -3845,7 +3869,8 @@
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-          "dev": true
+          "dev": true,
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@@ -3867,12 +3892,14 @@
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+          "dev": true,
+          "optional": true
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           "version": "1.0.11",
           "bundled": true,
           "dev": true,
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@@ -3928,6 +3955,7 @@
           "version": "7.1.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3940,7 +3968,8 @@
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           "version": "4.1.11",
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3968,6 +3997,7 @@
           "version": "3.1.3",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3978,7 +4008,8 @@
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           "version": "2.16.3",
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-          "dev": true
+          "dev": true,
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@@ -3995,6 +4026,7 @@
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           "bundled": true,
           "dev": true,
+          "optional": true,
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             "wrappy": "1.0.2"
@@ -4003,7 +4035,8 @@
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-          "dev": true
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@@ -4015,6 +4048,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -4028,7 +4062,8 @@
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           "version": "1.0.0",
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-          "dev": true
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@@ -4101,12 +4136,14 @@
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           "version": "1.27.0",
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-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "2.1.15",
           "bundled": true,
           "dev": true,
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@@ -4115,6 +4152,7 @@
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           "bundled": true,
           "dev": true,
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@@ -4122,12 +4160,14 @@
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           "version": "0.0.8",
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+          "optional": true
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         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -4182,7 +4222,8 @@
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           "version": "1.0.1",
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@@ -4200,6 +4241,7 @@
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@@ -4229,7 +4271,8 @@
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@@ -4240,7 +4283,8 @@
         "process-nextick-args": {
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@@ -4278,6 +4322,7 @@
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@@ -4322,6 +4367,7 @@
           "version": "2.6.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -4329,7 +4375,8 @@
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           "version": "5.0.1",
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -4353,6 +4400,7 @@
           "version": "1.0.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -4386,6 +4434,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
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@@ -4396,6 +4445,7 @@
           "version": "1.0.1",
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           "dev": true,
+          "optional": true,
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@@ -4410,6 +4460,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
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@@ -4424,6 +4475,7 @@
           "version": "2.2.1",
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@@ -4479,7 +4531,8 @@
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@@ -4508,7 +4561,8 @@
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       "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
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-      "dev": true
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       "integrity": "sha1-UaGp50SOy9Ms2lRCFnW7IbwJPaY=",
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       "integrity": "sha1-z1mU4v0mjQD1zw+nZ6CBae2wfsA=",
       "dev": true,
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-      "dev": true
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       "integrity": "sha1-1275EnyyPCJZ7bHoNJwujV4tdME=",
       "dev": true,
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@@ -9773,6 +9847,7 @@
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       "integrity": "sha1-W4t/x8jzQcU+0FbpKbe/Tei6e1o=",
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@@ -10782,6 +10858,7 @@
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@@ -10889,7 +10966,8 @@
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@@ -12219,6 +12297,7 @@
       "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.2.tgz",
       "integrity": "sha512-ijDLlyQ7s6x1JgCLur53osjm/UXUYD9+0PbYKrBsYisYXzCxN+HC3mYDNy/dWdmf3AwqwU3CXwDCvsNgGK1S0w==",
       "dev": true,
+      "optional": true,
       "requires": {
         "string-width": "1.0.2"
       }
diff --git a/frontend/package.json b/frontend/package.json
index 6671e2b..9c72948 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -15,7 +15,7 @@
     "@angular/animations": "^5.2.0",
     "@angular/common": "^5.2.0",
     "@angular/compiler": "^5.2.0",
-    "@angular/core": "^5.2.0",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^5.2.0",
     "@angular/http": "^5.2.0",
     "@angular/platform-browser": "^5.2.0",