diff --git a/package.json b/package.json
index 2f3d925..2dacae2 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "@angular/cdk": "^7.3.5",
     "@angular/common": "^7.2.4",
     "@angular/compiler": "^7.2.4",
-    "@angular/core": "^7.2.4",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^7.2.4",
     "@angular/http": "^7.2.4",
     "@angular/material": "^7.3.5",
diff --git a/yarn.lock b/yarn.lock
index dd698a0..604ec9c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -166,12 +166,12 @@
   dependencies:
     tslib "^1.9.0"
 
-"@angular/core@^7.2.4":
-  version "7.2.15"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-7.2.15.tgz#c00d4be0ebe95b70f7631154169509cc97934e9a"
-  integrity sha512-XsuYm0jEU/mOqwDOk2utThv8J9kESkAerfuCHClE9rB2TtHUOGCfekF7lJWqjjypu6/J9ygoPFo7hdAE058ZGg==
+"@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@^7.2.4":
   version "7.2.15"
@@ -8925,15 +8925,15 @@ ts-node@~5.0.1:
     source-map-support "^0.5.3"
     yn "^2.0.0"
 
-tslib@^1.7.1, tslib@^1.9.0:
+tslib@^1.7.1, tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
   version "1.13.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"
   integrity sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==
 
-tslib@^1.8.0, tslib@^1.8.1:
-  version "1.10.0"
-  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==
 
 tslint@~5.9.1:
   version "5.9.1"