diff --git a/package.json b/package.json
index d8032e9..d3d3a07 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "@angular/cdk": "^9.1.1",
     "@angular/common": "~9.0.0",
     "@angular/compiler": "~9.0.0",
-    "@angular/core": "~9.0.0",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~9.0.0",
     "@angular/material": "^9.1.1",
     "@angular/platform-browser": "~9.0.0",
diff --git a/yarn.lock b/yarn.lock
index 6ccb470..e5f2e10 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -183,10 +183,12 @@
   resolved "https://registry.yarnpkg.com/@angular/compiler/-/compiler-9.0.5.tgz#823dd4df25a9f1a641346712e7b7097ed1176105"
   integrity sha512-TeyhRGefTOtA9N3udMrvheafoXcz/dvTTdZLcieeZQxm1SSeaQDUQ/rUH6QTOiHVNMtjOCrZ9J5rk1A4mPYuag==
 
-"@angular/core@~9.0.0":
-  version "9.0.5"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-9.0.5.tgz#71df41a45e60619fb7454ab9fe604d6ce7d0d8da"
-  integrity sha512-7VznrYjaAIzeq/zQ7v6tbeoOI7JJKgChKwG7s8jRoEpENu+w2pRlRdyQul88iJLsXgObR+/TfBNm/K+G4cqAFw==
+"@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 "^2.0.0"
 
 "@angular/forms@~9.0.0":
   version "9.0.5"
@@ -7962,6 +7964,11 @@ tslib@^1.10.0, tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.11.1.tgz#eb15d128827fbee2841549e171f45ed338ac7e35"
   integrity sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA==
 
+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@~5.18.0:
   version "5.18.0"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.18.0.tgz#f61a6ddcf372344ac5e41708095bbf043a147ac6"