diff --git a/package.json b/package.json
index 17e72fc..2489a9c 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   "dependencies": {
     "@angular/common": "^5.2.0",
     "@angular/compiler": "^5.0.1",
-    "@angular/core": "^5.2.1",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^5.2.1",
     "@angular/http": "^5.2.1",
     "@angular/platform-browser": "^5.2.0",
diff --git a/yarn.lock b/yarn.lock
index a32dbb1..73a4f7f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -14,11 +14,11 @@
   dependencies:
     tslib "^1.7.1"
 
-"@angular/core@^5.2.1":
-  version "5.2.1"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-5.2.1.tgz#47347e4098b0e997220d77652f4d9ca44dda8923"
+"@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@^5.2.1":
   version "5.2.1"
@@ -5157,6 +5157,10 @@ tslib@^1.7.1:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.8.0.tgz#dc604ebad64bcbf696d613da6c954aa0e7ea1eb6"
 
+tslib@^2.0.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+
 tty-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.0.tgz#a157ba402da24e9bf957f9aa69d524eed42901a6"