diff --git a/package.json b/package.json
index 8716c5a..c41063f 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
     "@angular/animations": "~4.4.4",
     "@angular/common": "~4.4.4",
     "@angular/compiler": "~4.4.4",
-    "@angular/core": "~4.4.4",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~4.4.4",
     "@angular/http": "~4.4.4",
     "@angular/platform-browser": "~4.4.4",
diff --git a/yarn.lock b/yarn.lock
index c95955b..b3d3bf3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -28,11 +28,11 @@
   dependencies:
     tslib "^1.7.1"
 
-"@angular/core@~4.4.4":
-  version "4.4.4"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-4.4.4.tgz#bd37ecf54158f97489996c9386bd222f80a32f5c"
+"@angular/core@~11.0.5":
+  version "11.0.5"
+  resolved "https://registry.yarnpkg.com/@angular/core/-/core-11.0.5.tgz#b8c448c3cd4f6dae7327cc1ba4ee2aa29c8dbc26"
   dependencies:
-    tslib "^1.7.1"
+    tslib "^2.0.0"
 
 "@angular/forms@~4.4.4":
   version "4.4.4"
@@ -6203,6 +6203,10 @@ tslib@^1.7.1:
   version "1.7.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.7.1.tgz#bc8004164691923a79fe8378bbeb3da2017538ec"
 
+tslib@^2.0.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+
 tslint-loader@^3.5.2:
   version "3.5.3"
   resolved "https://registry.yarnpkg.com/tslint-loader/-/tslint-loader-3.5.3.tgz#343f74122d94f356b689457d3f59f64a69ab606f"