diff --git a/package.json b/package.json
index 535f566..46a3e7d 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   "dependencies": {
     "@angular/common": "^4.1.3",
     "@angular/compiler": "^4.1.3",
-    "@angular/core": "^4.1.3",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^4.1.3",
     "@angular/http": "^4.1.3",
     "@angular/platform-browser": "^4.1.3",
diff --git a/yarn.lock b/yarn.lock
index b008e57..478023c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -83,9 +83,12 @@
   version "4.1.3"
   resolved "https://registry.yarnpkg.com/@angular/compiler/-/compiler-4.1.3.tgz#d2dd30853b0cf4a54758b4a314632c231f9c94c3"
 
-"@angular/core@^4.1.3":
-  version "4.1.3"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-4.1.3.tgz#285498eb86ab7d0b6f982f8f9f487ef610013b35"
+"@angular/core@^11.0.5":
+  version "11.2.0"
+  resolved "https://registry.yarnpkg.com/@angular/core/-/core-11.2.0.tgz#309ae61d55b21fca0b644a6571109741d64b2467"
+  integrity sha512-jnbnJTW2GwfkRoXG8J4zs5FMcahMZwo6jrZGe9FiXjCYG9cLEuOXy4h99Z1s/o0vc/VXyWgym7SmeEgv+urf8g==
+  dependencies:
+    tslib "^2.0.0"
 
 "@angular/forms@^4.1.3":
   version "4.1.3"
@@ -5257,6 +5260,11 @@ tsickle@^0.21.0:
     source-map "^0.5.6"
     source-map-support "^0.4.2"
 
+tslib@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.1.0.tgz#da60860f1c2ecaa5703ab7d39bc05b6bf988b97a"
+  integrity sha512-hcVC3wYEziELGGmEEXue7D75zbwIIVUMWAVbHItGPx0ziyXxrOMQx4rQEVEV45Ut/1IotuEvwqPopzIOkDMf0A==
+
 tslint@~4.4.2:
   version "4.4.2"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-4.4.2.tgz#b14cb79ae039c72471ab4c2627226b940dda19c6"