diff --git a/package.json b/package.json
index 13c665a..6b1875e 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "@angular/animations": "^5.0.0",
     "@angular/common": "^5.0.0",
     "@angular/compiler": "^5.0.0",
-    "@angular/core": "^5.0.0",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^5.0.0",
     "@angular/http": "^5.0.0",
     "@angular/platform-browser": "^5.0.0",
diff --git a/yarn.lock b/yarn.lock
index 7781158..bd6b7e0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -117,11 +117,12 @@
   dependencies:
     tslib "^1.7.1"
 
-"@angular/core@^5.0.0":
-  version "5.1.2"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-5.1.2.tgz#751070c0f4e5a8c4e2170204e08eca06391b84b1"
+"@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@^5.0.0":
   version "5.1.2"
@@ -5808,6 +5809,11 @@ tslib@^1.7.1, tslib@^1.8.0:
   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@~5.7.0:
   version "5.7.0"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.7.0.tgz#c25e0d0c92fa1201c2bc30e844e08e682b4f3552"