diff --git a/package-lock.json b/package-lock.json
index f489938..3d16dd1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -191,11 +191,18 @@
       }
     },
     "@angular/core": {
-      "version": "4.4.5",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-4.4.5.tgz",
-      "integrity": "sha1-VKy8vaEXGfiDx4apBpdKvrEy8aA=",
+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+      "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
       "requires": {
-        "tslib": "^1.7.1"
+        "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": {
@@ -533,6 +540,7 @@
       "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.4.tgz",
       "integrity": "sha1-u13KOCu5TwXhUZQ3PRb9O6HKEQ0=",
       "dev": true,
+      "optional": true,
       "requires": {
         "delegates": "^1.0.0",
         "readable-stream": "^2.0.6"
@@ -1080,6 +1088,7 @@
       "resolved": "https://registry.npmjs.org/boom/-/boom-2.10.1.tgz",
       "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
       "dev": true,
+      "optional": true,
       "requires": {
         "hoek": "2.x.x"
       },
@@ -1088,7 +1097,8 @@
           "version": "2.16.3",
           "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
           "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -1863,7 +1873,8 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
       "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "constants-browserify": {
       "version": "1.0.0",
@@ -2034,16 +2045,6 @@
       "integrity": "sha1-iNf/fsDfuG9xPch7u0LQRNPmxBs=",
       "dev": true
     },
-    "cryptiles": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/cryptiles/-/cryptiles-2.0.5.tgz",
-      "integrity": "sha1-O9/s3GCBR8HGcgL6KR59ylnqo7g=",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "boom": "2.x.x"
-      }
-    },
     "crypto-browserify": {
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/crypto-browserify/-/crypto-browserify-3.12.0.tgz",
@@ -2391,7 +2392,8 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
       "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "denodeify": {
       "version": "1.2.1",
@@ -3720,7 +3722,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -3741,12 +3744,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -3761,17 +3766,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -3888,7 +3896,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -3900,6 +3909,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -3914,6 +3924,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -3921,12 +3932,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -3945,6 +3958,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -4025,7 +4039,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -4037,6 +4052,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -4122,7 +4138,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -4158,6 +4175,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -4177,6 +4195,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -4220,12 +4239,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -4234,6 +4255,7 @@
       "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.11.tgz",
       "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
       "dev": true,
+      "optional": true,
       "requires": {
         "graceful-fs": "^4.1.2",
         "inherits": "~2.0.0",
@@ -4252,6 +4274,7 @@
       "resolved": "https://registry.npmjs.org/gauge/-/gauge-2.7.4.tgz",
       "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
       "dev": true,
+      "optional": true,
       "requires": {
         "aproba": "^1.0.3",
         "console-control-strings": "^1.0.0",
@@ -4542,7 +4565,8 @@
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/has-unicode/-/has-unicode-2.0.1.tgz",
       "integrity": "sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "has-value": {
       "version": "1.0.0",
@@ -4619,6 +4643,16 @@
         "sntp": "1.x.x"
       },
       "dependencies": {
+        "cryptiles": {
+          "version": "2.0.5",
+          "resolved": "https://registry.npmjs.org/cryptiles/-/cryptiles-2.0.5.tgz",
+          "integrity": "sha512-FFN5KwpvvQTTS5hWPxrU8/QE4kQUc6uwZcrnlMBN82t1MgAtq8mnoDwINBly9Tdr02seeIIhtdF+UH1feBYGog==",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "boom": "2.x.x"
+          }
+        },
         "hoek": {
           "version": "2.16.3",
           "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
@@ -7028,6 +7062,7 @@
           "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-styles": "^2.2.1",
             "escape-string-regexp": "^1.0.2",
@@ -7089,7 +7124,8 @@
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
           "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "tunnel-agent": {
           "version": "0.4.3",
@@ -7162,6 +7198,7 @@
       "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-4.1.2.tgz",
       "integrity": "sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==",
       "dev": true,
+      "optional": true,
       "requires": {
         "are-we-there-yet": "~1.1.2",
         "console-control-strings": "~1.1.0",
@@ -11605,6 +11642,7 @@
       "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/package.json b/package.json
index c0565ed..2299ad7 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "@angular/cdk": "2.0.0-beta.12",
     "@angular/common": "4.4.5",
     "@angular/compiler": "4.4.5",
-    "@angular/core": "4.4.5",
+    "@angular/core": "11.0.5",
     "@angular/forms": "4.4.5",
     "@angular/http": "4.4.5",
     "@angular/material": "2.0.0-beta.12",