diff --git a/package-lock.json b/package-lock.json
index b5c5919..6c1a54d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -424,11 +424,18 @@
       }
     },
     "@angular/core": {
-      "version": "8.0.3",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-8.0.3.tgz",
-      "integrity": "sha512-IIxrtIPNuv2+HudER9J1nmPGiGJ4aRpeiFM9V4lSiSFv50RzuaoG60XqYIpUyuBdgvyKigcrfSbu9+x1vyN0hw==",
+      "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": {
@@ -1055,11 +1062,6 @@
       "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
       "dev": true
     },
-    "anchorme": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/anchorme/-/anchorme-1.1.2.tgz",
-      "integrity": "sha1-hhEjhCGeUwpTHls4Dxay/lStoIo="
-    },
     "ansi-colors": {
       "version": "3.2.4",
       "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-3.2.4.tgz",
@@ -1702,6 +1704,7 @@
       "resolved": "https://registry.npmjs.org/boom/-/boom-0.4.2.tgz",
       "integrity": "sha1-emNune1O/O+xnO9JR6PGffrukRs=",
       "dev": true,
+      "optional": true,
       "requires": {
         "hoek": "0.9.x"
       }
@@ -2537,14 +2540,6 @@
         "safe-buffer": "5.1.2"
       }
     },
-    "content-editable": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/content-editable/-/content-editable-0.2.0.tgz",
-      "integrity": "sha512-2rZzfcRPpkqIdZw2VNMY2xBAv5AnaW/iuRLscT8g1e5ixHdm4LhI6HHvwo+zf7iknD53nahWi1TmhTei8/UwSA==",
-      "requires": {
-        "anchorme": "^1.1.2"
-      }
-    },
     "content-type": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
@@ -4138,7 +4133,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -4159,12 +4155,14 @@
         "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"
@@ -4179,17 +4177,20 @@
         "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",
@@ -4306,7 +4307,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -4318,6 +4320,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -4332,6 +4335,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -4339,12 +4343,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -4363,6 +4369,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -4443,7 +4450,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -4455,6 +4463,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -4540,7 +4549,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -4576,6 +4586,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -4595,6 +4606,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -4638,12 +4650,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -4652,6 +4666,7 @@
       "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.12.tgz",
       "integrity": "sha512-WvJ193OHa0GHPEL+AycEJgxvBEwyfRkN1vhjca23OaPVMCaLCXTd5qAu82AjTcgP1UJmytkOKb63Ypde7raDIg==",
       "dev": true,
+      "optional": true,
       "requires": {
         "graceful-fs": "^4.1.2",
         "inherits": "~2.0.0",
@@ -5075,7 +5090,8 @@
       "version": "0.9.1",
       "resolved": "https://registry.npmjs.org/hoek/-/hoek-0.9.1.tgz",
       "integrity": "sha1-PTIkYrrfB3Fup+uFuviAec3c5QU=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "hosted-git-info": {
       "version": "2.7.1",
diff --git a/package.json b/package.json
index 2025023..f93c6bb 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "@angular/cdk": "^8.0.1",
     "@angular/common": "8.0.3",
     "@angular/compiler": "8.0.3",
-    "@angular/core": "8.0.3",
+    "@angular/core": "11.0.5",
     "@angular/forms": "8.0.3",
     "@angular/http": "7.2.15",
     "@angular/material": "^8.0.1",