diff --git a/package.json b/package.json
index f341e26..4ba5a4c 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
         "@angular/common": "6.0.3",
         "@angular/compiler": "6.0.3",
         "@angular/compiler-cli": "6.0.3",
-        "@angular/core": "6.0.3",
+        "@angular/core": "11.0.5",
         "@angular/forms": "6.0.3",
         "@angular/http": "6.0.3",
         "@angular/language-service": "6.0.3",
diff --git a/yarn.lock b/yarn.lock
index 1fb8213..6c06099 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -133,11 +133,12 @@
   dependencies:
     tslib "^1.9.0"
 
-"@angular/core@6.0.3":
-  version "6.0.3"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-6.0.3.tgz#50502115105c3784d24338dd8ffb7dddcb55b58d"
+"@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 "^1.9.0"
+    tslib "^2.0.0"
 
 "@angular/forms@6.0.3":
   version "6.0.3"
@@ -2665,7 +2666,7 @@ etag@~1.8.1:
 
 event-stream@~3.3.0:
   version "3.3.4"
-  resolved "http://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz#4ab4c9a0f5a54db9338b4c34d86bfce8f4b35571"
+  resolved "https://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz#4ab4c9a0f5a54db9338b4c34d86bfce8f4b35571"
   dependencies:
     duplexer "~0.1.1"
     from "~0"
@@ -7996,6 +7997,11 @@ tslib@^1.8.0, 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"
+  integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==
+
 tslint@5.10.0:
   version "5.10.0"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.10.0.tgz#11e26bccb88afa02dd0d9956cae3d4540b5f54c3"