diff --git a/package.json b/package.json
index 505f85f..83584a3 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "@angular/animations": "~9.1.3",
     "@angular/common": "~9.1.3",
     "@angular/compiler": "~9.1.3",
-    "@angular/core": "~9.1.3",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~9.1.3",
     "@angular/platform-browser": "~9.1.3",
     "@angular/platform-browser-dynamic": "~9.1.3",
diff --git a/yarn.lock b/yarn.lock
index d176321..b405528 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -176,10 +176,12 @@
   resolved "https://registry.yarnpkg.com/@angular/compiler/-/compiler-9.1.3.tgz#8e22dbb1e6a3ca26e8fc9518f8f2c0348b494b5e"
   integrity sha512-NTqGZUwwdm/RIG1rWPIqQwNyyRcPOmNlv+t1KpydFtycpTut0lAh0shiu57h83Cl2LgaFV4veyiAAtNmxFmqXA==
 
-"@angular/core@~9.1.3":
-  version "9.1.3"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-9.1.3.tgz#e20d35e4b3dda23cc78112c9fcc771ae7858eba0"
-  integrity sha512-r+GyeCuBw9SUBzpPWhKxzTOkNYotYp3gANSWndihLC9P6W5T8Hfyg8uYcxKy7L42bpx8eXZOXFq91cioVwZtqA==
+"@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@~9.1.3":
   version "9.1.3"
@@ -9686,15 +9688,15 @@ ts-simple-ast@12.4.0:
     tslib "^1.9.0"
     typescript "2.9.1"
 
-tslib@1.11.1:
+tslib@1.11.1, tslib@^1.10.0, tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
   version "1.11.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.11.1.tgz#eb15d128827fbee2841549e171f45ed338ac7e35"
   integrity sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA==
 
-tslib@^1.10.0, 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@^2.0.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+  integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==
 
 tslint@~5.15.0:
   version "5.15.0"