diff --git a/admin-app/package.json b/admin-app/package.json
index 3c9b565..7aa9f2a 100644
--- a/admin-app/package.json
+++ b/admin-app/package.json
@@ -18,7 +18,7 @@
     "@angular/cdk": "^9.2.0",
     "@angular/common": "9.0.2",
     "@angular/compiler": "9.0.2",
-    "@angular/core": "9.0.2",
+    "@angular/core": "11.0.5",
     "@angular/forms": "9.0.2",
     "@angular/localize": "^9.0.2",
     "@angular/platform-browser": "9.0.2",
diff --git a/admin-app/yarn.lock b/admin-app/yarn.lock
index 46cb30c..a1d6c10 100644
--- a/admin-app/yarn.lock
+++ b/admin-app/yarn.lock
@@ -201,10 +201,12 @@
   resolved "https://registry.yarnpkg.com/@angular/compiler/-/compiler-9.0.2.tgz#be238eb2e575e2945f8e88c4ae09d99b280b797d"
   integrity sha512-IWlKn5v3y7k1Z2K2wfNNzbn9xgA4fFlWyPe9QpdS8iy6/bPe5GfKhHbMYIza5eIhPXDN93zdEptiAIXGP3kLBQ==
 
-"@angular/core@9.0.2":
-  version "9.0.2"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-9.0.2.tgz#250093b6a4d3137e2cc30e73e6cee919f1386165"
-  integrity sha512-ccVPR6RZo2s9O9phO0TJ60QZ0WA7qfUMzo0xnpBW0XGcbTzLEn9upvs+0PX64f9UpnHz/MQo0wsqYvTLuoz7Yw==
+"@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@9.0.2":
   version "9.0.2"
@@ -9288,6 +9290,11 @@ tslib@^1.10.0, tslib@^1.11.0, tslib@^1.8.1, tslib@^1.9.0:
   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@6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-6.0.0.tgz#1c0148beac4779924216302f192cdaa153618310"