diff --git a/package.json b/package.json
index 6047810..db4a426 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@angular/cdk": "^8.1.2",
     "@angular/common": "^8.1.3",
     "@angular/compiler": "^8.1.3",
-    "@angular/core": "^8.1.3",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^8.1.3",
     "@angular/material": "^8.1.2",
     "@angular/material-moment-adapter": "^8.1.2",
diff --git a/yarn.lock b/yarn.lock
index 907eed6..2a480e8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -200,12 +200,12 @@
   dependencies:
     tslib "^1.9.0"
 
-"@angular/core@^8.1.3":
-  version "8.1.3"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-8.1.3.tgz#3b12cf3785419c573cd54116ba80fc798f75448a"
-  integrity sha512-45ocymDkXhmgluhaIX/O6IgqGPCLOlSYEXYpJ660QS1JgprKU7Ae9mWiNSmbBmT0OGV/sKKF8SNMQAGOHgio6Q==
+"@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@^8.1.3":
   version "8.1.3"
@@ -11552,6 +11552,11 @@ tslib@^1.7.1, tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
   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@~5.11.0:
   version "5.11.0"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.11.0.tgz#98f30c02eae3cde7006201e4c33cb08b48581eed"