diff --git a/package.json b/package.json
index ba4e16d..2149b19 100644
--- a/package.json
+++ b/package.json
@@ -82,7 +82,7 @@
     "@angular/common": "4.4.6",
     "@angular/compiler": "4.4.6",
     "@angular/compiler-cli": "4.4.6",
-    "@angular/core": "4.4.6",
+    "@angular/core": "11.0.5",
     "@angular/forms": "4.4.6",
     "@angular/http": "4.4.6",
     "@angular/material": "2.0.0-beta.12",
diff --git a/yarn.lock b/yarn.lock
index 29f6e6d..6bb5db2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -119,11 +119,11 @@
   dependencies:
     tslib "^1.7.1"
 
-"@angular/core@4.4.6":
-  version "4.4.6"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-4.4.6.tgz#13031fd10dcfe438875419b38f21120958bc2354"
+"@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@4.4.6":
   version "4.4.6"
@@ -6794,6 +6794,10 @@ 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"
+
 tslint@^5.8.0:
   version "5.8.0"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.8.0.tgz#1f49ad5b2e77c76c3af4ddcae552ae4e3612eb13"