diff --git a/Notes/WebApp/package.json b/Notes/WebApp/package.json
index 94710b1..5118b58 100644
--- a/Notes/WebApp/package.json
+++ b/Notes/WebApp/package.json
@@ -14,7 +14,7 @@
     "@angular/animations": "~8.2.5",
     "@angular/common": "~8.2.5",
     "@angular/compiler": "~8.2.5",
-    "@angular/core": "~8.2.5",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~8.2.5",
     "@angular/platform-browser": "~8.2.5",
     "@angular/platform-browser-dynamic": "~8.2.5",
diff --git a/Notes/WebApp/yarn.lock b/Notes/WebApp/yarn.lock
index a4b92b5..e69fd3b 100644
--- a/Notes/WebApp/yarn.lock
+++ b/Notes/WebApp/yarn.lock
@@ -173,12 +173,12 @@
   dependencies:
     tslib "^1.9.0"
 
-"@angular/core@~8.2.5":
-  version "8.2.6"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-8.2.6.tgz#26f4b4b2beb766964ea2b76183f69c443860849a"
-  integrity sha512-l+BrvPGwtPUh/rQyB9mjtonMsFEAoRHgDYWeQu/QukIZbItNdFqrhewn2zQ8Skx75BpwFLAVIVXp9ioDyvP2eQ==
+"@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@~8.2.5":
   version "8.2.6"
@@ -7395,6 +7395,11 @@ tslib@1.10.0, tslib@^1.10.0, tslib@^1.8.0, tslib@^1.8.1, 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==
+
 tslint@~5.15.0:
   version "5.15.0"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.15.0.tgz#6ffb180986d63afa1e531feb2a134dbf961e27d3"