diff --git a/package.json b/package.json
index 4f8d47f..09e3c57 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "@angular/cdk": "^8.2.3",
     "@angular/common": "~8.2.8",
     "@angular/compiler": "~8.2.8",
-    "@angular/core": "~8.2.8",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~8.2.8",
     "@angular/material": "^8.2.3",
     "@angular/platform-browser": "~8.2.8",
diff --git a/yarn.lock b/yarn.lock
index 84b546a..649d1e0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -183,12 +183,12 @@
   dependencies:
     tslib "^1.9.0"
 
-"@angular/core@~8.2.8":
-  version "8.2.8"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-8.2.8.tgz#ed51b122ba62348f1277f4168ab5ea4263e7fe5a"
-  integrity sha512-LlHgqlDCt+vO/B6LBZtDfSrzTqaB5w/gp3ZWUVrPjeY5GDky6P0ZSVTnRL/uUi49wBFJehMaNoGEoORqnQBOLA==
+"@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@~8.2.8":
   version "8.2.8"
@@ -9369,6 +9369,11 @@ tslib@1.10.0, tslib@^1.10.0, tslib@^1.7.1, tslib@^1.9.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
   integrity sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==
 
+tslib@^2.0.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+  integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==
+
 tty-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.0.tgz#a157ba402da24e9bf957f9aa69d524eed42901a6"