diff --git a/package-lock.json b/package-lock.json
index 289ebd9..6a26981 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -715,9 +715,19 @@
       }
     },
     "@angular/core": {
-      "version": "9.0.7",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-9.0.7.tgz",
-      "integrity": "sha512-E9XZH5Dl+9MWG3MDC6wrKllhA8Rljpz66HOIeqKv2fHPed8kzuJZU3WJWLtbhDAXFwtGTyTZ4c82ZLSmqwTorg=="
+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+      "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
+      "requires": {
+        "tslib": "^2.0.0"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "2.4.0",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+          "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ=="
+        }
+      }
     },
     "@angular/forms": {
       "version": "9.0.7",
diff --git a/package.json b/package.json
index f7116d0..402bcb6 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "@angular/cdk": "~9.0.0",
     "@angular/common": "~9.0.1",
     "@angular/compiler": "~9.0.1",
-    "@angular/core": "~9.0.1",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~9.0.1",
     "@angular/http": "~7.2.16",
     "@angular/material": "^9.0.0",
diff --git a/yarn.lock b/yarn.lock
index b10f284..60c2d1d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -182,10 +182,12 @@
   resolved "https://registry.yarnpkg.com/@angular/compiler/-/compiler-9.0.1.tgz#19b6f83026a2b2771b7ef1b9be20bbe8828d8be9"
   integrity sha512-ldamsPzIx+FLT/IYBqwsFL6qbP3BDgvPQa4Y3F/gFXDsoe+VTY5qwJfhr2iLbtF+fYomwOgY2kSL42BVQL873Q==
 
-"@angular/core@~9.0.1":
-  version "9.0.1"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-9.0.1.tgz#8908112ce6bb22aa1ae537230240ef9a324409ad"
-  integrity sha512-q/3VLGM98euB/ZluSuMqvWyQb563iabRcVkC/DrHqCQMadV1ZpvuOgf8Gm092d8GY/iC4CGlTsN0wiVapMxplQ==
+"@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 "^2.0.0"
 
 "@angular/forms@~9.0.1":
   version "9.0.1"
@@ -7970,6 +7972,11 @@ tslib@1.10.0, tslib@^1.10.0, tslib@^1.8.1, tslib@^1.9.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
   integrity sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==
 
+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@~6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-6.0.0.tgz#1c0148beac4779924216302f192cdaa153618310"