diff --git a/package.json b/package.json
index e30b902..7fef4c8 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "@angular/cdk": "^7.3.7",
     "@angular/common": "7.x",
     "@angular/compiler": "7.x",
-    "@angular/core": "7.x",
+    "@angular/core": "11.x",
     "@angular/forms": "7.x",
     "@angular/http": "7.x",
     "@angular/material": "^7.3.7",
diff --git a/yarn.lock b/yarn.lock
index df76143..f9a442a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -166,12 +166,12 @@
   dependencies:
     tslib "^1.9.0"
 
-"@angular/core@7.x":
-  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.x":
+  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.x":
   version "7.2.15"
@@ -6809,6 +6809,11 @@ 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@~5.16.0:
   version "5.16.0"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.16.0.tgz#ae61f9c5a98d295b9a4f4553b1b1e831c1984d67"