diff --git a/package-lock.json b/package-lock.json
index 292ecb4..35af9b7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -113,7 +113,7 @@
       "dependencies": {
         "source-map": {
           "version": "0.5.6",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.5.6.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.6.tgz",
           "integrity": "sha1-dc449SvwczxafwwRjYEzSiu19BI=",
           "dev": true
         }
@@ -348,11 +348,18 @@
       }
     },
     "@angular/core": {
-      "version": "7.0.4",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-7.0.4.tgz",
-      "integrity": "sha512-17SSmCz1wQoZKnVHF/T8UkWYPpDm5kPyoc1okkTTv8ZA2EAMMuZFFnRSAxEL5i7mNB9z5CvRqF2tRx/DbgbIRA==",
+      "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=="
+        }
       }
     },
     "@angular/forms": {
@@ -1020,7 +1027,7 @@
       "dependencies": {
         "sprintf-js": {
           "version": "1.0.3",
-          "resolved": "http://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
+          "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
           "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
           "dev": true
         }
@@ -1138,7 +1145,7 @@
         },
         "util": {
           "version": "0.10.3",
-          "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
           "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
           "dev": true,
           "requires": {
@@ -1262,7 +1269,7 @@
         },
         "supports-color": {
           "version": "2.0.0",
-          "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
           "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
           "dev": true
         }
@@ -3180,7 +3187,7 @@
         },
         "source-map": {
           "version": "0.2.0",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.2.0.tgz",
           "integrity": "sha1-2rc/vPwrqBm03gO9b26qSBZLP50=",
           "dev": true,
           "optional": true,
@@ -5601,7 +5608,7 @@
         },
         "resolve": {
           "version": "1.1.7",
-          "resolved": "http://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
           "integrity": "sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=",
           "dev": true
         },
@@ -6179,7 +6186,7 @@
       "dependencies": {
         "promise": {
           "version": "7.0.4",
-          "resolved": "http://registry.npmjs.org/promise/-/promise-7.0.4.tgz",
+          "resolved": "https://registry.npmjs.org/promise/-/promise-7.0.4.tgz",
           "integrity": "sha1-Nj6EpMNsg1a4kP7WLJHOhdAu1Tk=",
           "dev": true,
           "requires": {
@@ -6188,7 +6195,7 @@
         },
         "resolve": {
           "version": "1.1.7",
-          "resolved": "http://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
           "integrity": "sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=",
           "dev": true
         }
@@ -6224,7 +6231,7 @@
     },
     "load-json-file": {
       "version": "2.0.0",
-      "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
       "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
       "dev": true,
       "requires": {
@@ -6508,7 +6515,7 @@
         },
         "load-json-file": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
           "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
           "dev": true,
           "requires": {
@@ -7015,7 +7022,7 @@
       "dependencies": {
         "semver": {
           "version": "5.3.0",
-          "resolved": "http://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
           "integrity": "sha1-myzl094C0XxgEq0yaqa00M9U+U8=",
           "dev": true
         }
@@ -7201,13 +7208,13 @@
         },
         "supports-color": {
           "version": "2.0.0",
-          "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
           "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
           "dev": true
         },
         "tough-cookie": {
           "version": "2.3.4",
-          "resolved": "http://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.4.tgz",
+          "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.4.tgz",
           "integrity": "sha512-TZ6TTfI5NtZnuyy/Kecv+CnoROnyXn2DN97LontgQpCwsX2XyLYCC0ENhYkehSOwAp8rTQKc/NUIF7BkQ5rKLA==",
           "dev": true,
           "requires": {
@@ -7570,7 +7577,7 @@
         },
         "supports-color": {
           "version": "2.0.0",
-          "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
           "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
           "dev": true
         }
@@ -7915,7 +7922,7 @@
     },
     "pify": {
       "version": "2.3.0",
-      "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
       "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
       "dev": true
     },
@@ -8135,7 +8142,7 @@
         },
         "supports-color": {
           "version": "2.0.0",
-          "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
           "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
           "dev": true
         },
@@ -8907,7 +8914,7 @@
         },
         "load-json-file": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
           "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
           "dev": true,
           "requires": {
@@ -8920,7 +8927,7 @@
         },
         "os-locale": {
           "version": "1.4.0",
-          "resolved": "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
+          "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
           "integrity": "sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=",
           "dev": true,
           "requires": {
@@ -9075,7 +9082,7 @@
       "dependencies": {
         "source-map": {
           "version": "0.4.4",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
           "integrity": "sha1-66T12pwNyZneaAMti092FzZSA2s=",
           "dev": true,
           "requires": {
@@ -9867,7 +9874,7 @@
     },
     "string-width": {
       "version": "1.0.2",
-      "resolved": "http://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
       "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
       "dev": true,
       "requires": {
@@ -9887,7 +9894,7 @@
     },
     "strip-ansi": {
       "version": "3.0.1",
-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "dev": true,
       "requires": {
@@ -9973,13 +9980,13 @@
         },
         "sax": {
           "version": "0.5.8",
-          "resolved": "http://registry.npmjs.org/sax/-/sax-0.5.8.tgz",
+          "resolved": "https://registry.npmjs.org/sax/-/sax-0.5.8.tgz",
           "integrity": "sha1-1HLbIo6zMcJQaw6MFVJK25OdEsE=",
           "dev": true
         },
         "source-map": {
           "version": "0.1.43",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
           "integrity": "sha1-wkvBRspRfBRx9drL4lcbK3+eM0Y=",
           "dev": true,
           "requires": {
@@ -10812,7 +10819,7 @@
       "dependencies": {
         "lru-cache": {
           "version": "2.2.4",
-          "resolved": "http://registry.npmjs.org/lru-cache/-/lru-cache-2.2.4.tgz",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-2.2.4.tgz",
           "integrity": "sha1-bGWGGb7PFAMdDQtZSxYELOTcBj0=",
           "dev": true
         }
@@ -10988,7 +10995,7 @@
         },
         "source-map": {
           "version": "0.4.4",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
           "integrity": "sha1-66T12pwNyZneaAMti092FzZSA2s=",
           "dev": true,
           "requires": {
@@ -11168,7 +11175,7 @@
           "dependencies": {
             "pify": {
               "version": "2.3.0",
-              "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+              "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
               "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
               "dev": true
             }
diff --git a/package.json b/package.json
index 1871d0c..2f0555c 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
         "@angular/animations": "~7.0.0",
         "@angular/common": "~7.0.0",
         "@angular/compiler": "~7.0.0",
-        "@angular/core": "~7.0.0",
+        "@angular/core": "~11.0.5",
         "@angular/forms": "~7.0.0",
         "@angular/http": "~7.0.0",
         "@angular/platform-browser": "~7.0.0",