diff --git a/package.json b/package.json
index aec6f74..db40fac 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "@angular/animations": "~9.1.12",
     "@angular/common": "~9.1.12",
     "@angular/compiler": "~9.1.12",
-    "@angular/core": "~9.1.12",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~9.1.12",
     "@angular/platform-browser": "~9.1.12",
     "@angular/platform-browser-dynamic": "~9.1.12",
diff --git a/yarn.lock b/yarn.lock
index fb9dfaf..0c7db2e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -184,10 +184,12 @@
   resolved "https://registry.yarnpkg.com/@angular/compiler/-/compiler-9.1.12.tgz#3066a637bfe09642dd5c4a4dd029e7a771988311"
   integrity sha512-suefk0OFkaJpUUKnV+phbL4T8fmVGHvzkereY5eqybQlumOez8NPL1PJcygAylh/E6OIAYm8SWookYwM6ZY9dg==
 
-"@angular/core@~9.1.12":
-  version "9.1.12"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-9.1.12.tgz#e7e10f72f84f0787551424ad86279436e0b5edbe"
-  integrity sha512-WVA/eh3fzjx0apOzkKot4YRRUsGkHj50zFQWrAOMgivGaj1YVrvhf+m3hpglj5fn/BkLiFDl8RT0wAE8z9X+gQ==
+"@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@~9.1.12":
   version "9.1.12"
@@ -10069,6 +10071,11 @@ tslib@^1.10.0, tslib@^1.13.0, tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.3:
   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@~6.1.3:
   version "6.1.3"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-6.1.3.tgz#5c23b2eccc32487d5523bd3a470e9aa31789d904"