diff --git a/package.json b/package.json
index 9a8fa46..f7ece4f 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
     "@angular-contrib/core": "~0.0.0",
     "@angular/common": "~8.1.0",
     "@angular/compiler": "~8.1.0",
-    "@angular/core": "~8.1.0",
+    "@angular/core": "~11.0.5",
     "@angular/platform-browser": "~8.1.0",
     "@angular/platform-browser-dynamic": "~8.1.0",
     "rxjs": "~6.5.0",
diff --git a/yarn.lock b/yarn.lock
index a8163d2..684fd66 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -171,12 +171,12 @@
   dependencies:
     tslib "^1.9.0"
 
-"@angular/core@~8.1.0":
-  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/platform-browser-dynamic@~8.1.0":
   version "8.1.3"
@@ -5506,6 +5506,11 @@ tslib@^1.9.0:
   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==
+
 tty-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.0.tgz#a157ba402da24e9bf957f9aa69d524eed42901a6"