diff --git a/package-lock.json b/package-lock.json
index 42b8a29..bd3f1cb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1052,11 +1052,18 @@
       }
     },
     "@angular/core": {
-      "version": "8.2.5",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-8.2.5.tgz",
-      "integrity": "sha512-cBEiHhLE8VFIdB53seR+nQYNQFlNloKgD7ro26eMazvRF94wBSzO9VrD3+/XmNWdIYibU7PBaXhDCOKTe+ZSHw==",
+      "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": {
diff --git a/package.json b/package.json
index e7f655b..dec5756 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "@angular/cdk": "~8.1.4",
     "@angular/common": "~8.2.5",
     "@angular/compiler": "~8.2.5",
-    "@angular/core": "~8.2.5",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~8.2.5",
     "@angular/material": "~8.1.4",
     "@angular/platform-browser": "~8.2.5",
diff --git a/yarn.lock b/yarn.lock
index 84e8308..a8c88b5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -182,12 +182,12 @@
   dependencies:
     tslib "^1.9.0"
 
-"@angular/core@~8.2.5":
-  version "8.2.5"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-8.2.5.tgz#c94f41c81abc318c9597285648f790b88ca7bfa6"
-  integrity sha512-cBEiHhLE8VFIdB53seR+nQYNQFlNloKgD7ro26eMazvRF94wBSzO9VrD3+/XmNWdIYibU7PBaXhDCOKTe+ZSHw==
+"@angular/core@~11.0.5":
+  version "11.0.5"
+  resolved "https://registry.yarnpkg.com/@angular/core/-/core-11.0.5.tgz#b8c448c3cd4f6dae7327cc1ba4ee2aa29c8dbc26"
+  integrity sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==
   dependencies:
-    tslib "^1.9.0"
+    tslib "^2.0.0"
 
 "@angular/forms@~8.2.5":
   version "8.2.5"
@@ -8671,15 +8671,15 @@ ts-node@~8.3.0:
     source-map-support "^0.5.6"
     yn "^3.0.0"
 
-tslib@1.10.0, tslib@^1.10.0:
+tslib@1.10.0, tslib@^1.10.0, tslib@^1.7.1, tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
   integrity sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==
 
-tslib@^1.7.1, tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
-  version "1.9.3"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
-  integrity sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==
+tslib@^2.0.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+  integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==
 
 tslint@~5.19.0:
   version "5.19.0"