diff --git a/package.json b/package.json
index 0073a84..94896ef 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "@angular/cdk": "^9.2.4",
     "@angular/common": "~9.1.9",
     "@angular/compiler": "~9.1.9",
-    "@angular/core": "~9.1.9",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~9.1.9",
     "@angular/material": "^9.2.4",
     "@angular/platform-browser": "~9.1.9",
diff --git a/yarn.lock b/yarn.lock
index 831974b..68d0e63 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -201,10 +201,12 @@
   resolved "https://registry.yarnpkg.com/@angular/compiler/-/compiler-9.1.9.tgz#cbf678ee28a0811a8ef3ee7be565d4911ff28ec7"
   integrity sha512-kjFgaTB2ckr9lgmkS1dOGRT7kmzpQueydxsxXSHWgICNVE6F/u1PHyeSOyJRpxW0GnrkLq3QM2EUFnQGGga5bg==
 
-"@angular/core@~9.1.9":
-  version "9.1.9"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-9.1.9.tgz#db4241f867d6e14b81ed6e7c50334813c6ebfc10"
-  integrity sha512-q/DERgVU6vK2LtTcdVCGGBcoO424WsEfImh3Vcuy+P/ZVmthlDUC/+q+tSKt8MMf4hLpxFDQJE8vUSkktj7QEw==
+"@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@~9.1.9":
   version "9.1.9"
@@ -8593,6 +8595,11 @@ tslib@^1.10.0, tslib@^1.7.1, tslib@^1.8.1, tslib@^1.9.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"
   integrity sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==
 
+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@~6.1.0:
   version "6.1.2"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-6.1.2.tgz#2433c248512cc5a7b2ab88ad44a6b1b34c6911cf"