diff --git a/package.json b/package.json
index bbc0a04..8ef633c 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   "dependencies": {
     "@angular/common": "4.3.2",
     "@angular/compiler": "4.3.2",
-    "@angular/core": "4.3.2",
+    "@angular/core": "11.0.5",
     "@angular/forms": "4.3.2",
     "@angular/http": "4.3.2",
     "@angular/platform-browser": "4.3.2",
diff --git a/yarn.lock b/yarn.lock
index 9dda8ca..de5dace 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -107,11 +107,11 @@
   dependencies:
     tslib "^1.7.1"
 
-"@angular/core@4.3.2":
-  version "4.3.2"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-4.3.2.tgz#ea78341c3501ad8f43b51ffb183e200dc19844c3"
+"@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@4.3.2":
   version "4.3.2"
@@ -8311,6 +8311,10 @@ tslib@^1.7.1, tslib@^1.8.1, tslib@^1.9.0:
   version "1.9.3"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
 
+tslib@^2.0.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+
 tslint-loader@3.5.3:
   version "3.5.3"
   resolved "https://registry.yarnpkg.com/tslint-loader/-/tslint-loader-3.5.3.tgz#343f74122d94f356b689457d3f59f64a69ab606f"