diff --git a/package.json b/package.json
index c4605a8..aea7648 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "@angular/animations": "^5.2.0",
     "@angular/common": "^5.2.0",
     "@angular/compiler": "^5.2.0",
-    "@angular/core": "^5.2.0",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^5.2.0",
     "@angular/http": "^5.2.0",
     "@angular/platform-browser": "^5.2.0",
diff --git a/yarn.lock b/yarn.lock
index d448461..4a9ac2b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -119,11 +119,11 @@
   dependencies:
     tslib "^1.7.1"
 
-"@angular/core@^5.2.0":
-  version "5.2.11"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-5.2.11.tgz#0e38fdf4fa038a3c168c72952682f2ee3721f1a3"
+"@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@^5.2.0":
   version "5.2.11"
@@ -5805,6 +5805,10 @@ tslib@^1.7.1, tslib@^1.8.0, tslib@^1.8.1:
   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@~5.9.1:
   version "5.9.1"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.9.1.tgz#1255f87a3ff57eb0b0e1f0e610a8b4748046c9ae"