diff --git a/angular/package.json b/angular/package.json
index 7b67ccf..16786ed 100644
--- a/angular/package.json
+++ b/angular/package.json
@@ -18,7 +18,7 @@
     "@angular/cdk": "^8.1.4",
     "@angular/common": "^8.2.4",
     "@angular/compiler": "^8.2.4",
-    "@angular/core": "^8.2.4",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^8.2.4",
     "@angular/material": "^8.1.4",
     "@angular/platform-browser": "^8.2.4",
diff --git a/angular/yarn.lock b/angular/yarn.lock
index cce3875..32419d5 100644
--- a/angular/yarn.lock
+++ b/angular/yarn.lock
@@ -182,12 +182,12 @@
   dependencies:
     tslib "^1.9.0"
 
-"@angular/core@^8.2.4":
-  version "8.2.4"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-8.2.4.tgz#72454401dc07c8ed3c64a87d9de70507d6810b14"
-  integrity sha512-8FSdkUSb5S4+K2w49iLzrQF/jzcmoRnOogFZQ8CctiXQHSVHHF8AjpoFpFVUAI6/77UVL8CehlyBSKF5EE1Z8A==
+"@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@^8.2.4":
   version "8.2.4"
@@ -7587,18 +7587,15 @@ ts-node@^8.3.0:
     source-map-support "^0.5.6"
     yn "^3.0.0"
 
-tslib@1.10.0:
+tslib@1.10.0, tslib@^1.7.1, tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
   integrity sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==
 
-tslib@^1.7.1:
-  version "1.9.3"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
-
-tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
-  version "1.9.2"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.2.tgz#8be0cc9a1f6dc7727c38deb16c2ebd1a2892988e"
+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@^5.19.0:
   version "5.19.0"