diff --git a/package.json b/package.json
index b7485bd..a5aed89 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "@angular/animations": "4.3.3",
     "@angular/common": "4.3.3",
     "@angular/compiler": "4.3.3",
-    "@angular/core": "4.3.3",
+    "@angular/core": "11.0.5",
     "@angular/forms": "4.3.3",
     "@angular/http": "4.3.3",
     "@angular/platform-browser": "4.3.3",
diff --git a/yarn.lock b/yarn.lock
index 1039a48..34ff900 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -105,11 +105,12 @@
   dependencies:
     tslib "^1.7.1"
 
-"@angular/core@4.3.3":
-  version "4.3.3"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-4.3.3.tgz#8e6a76914661db407fa2d88dd2441c4c016ff625"
+"@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 "^1.7.1"
+    tslib "^2.0.0"
 
 "@angular/forms@4.3.3":
   version "4.3.3"
@@ -2176,7 +2177,7 @@ fs-access@^1.0.0:
 
 fs-extra@^0.23.1:
   version "0.23.1"
-  resolved "http://registry.npmjs.org/fs-extra/-/fs-extra-0.23.1.tgz#6611dba6adf2ab8dc9c69fab37cddf8818157e3d"
+  resolved "https://registry.npmjs.org/fs-extra/-/fs-extra-0.23.1.tgz#6611dba6adf2ab8dc9c69fab37cddf8818157e3d"
   dependencies:
     graceful-fs "^4.1.2"
     jsonfile "^2.1.0"
@@ -5776,6 +5777,11 @@ tslib@^1.6.0, tslib@^1.7.1:
   version "1.8.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.8.1.tgz#6946af2d1d651a7b1863b531d6e5afa41aa44eac"
 
+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@5.3.2:
   version "5.3.2"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.3.2.tgz#e56459fb095a7307f103b84052174f5e3bbef6ed"