diff --git a/demo/angular/package.json b/demo/angular/package.json
index 48e20ba..291fb71 100644
--- a/demo/angular/package.json
+++ b/demo/angular/package.json
@@ -11,7 +11,7 @@
     "@angular/animations": "~9.0.7",
     "@angular/common": "~9.0.7",
     "@angular/compiler": "~9.0.7",
-    "@angular/core": "~9.0.7",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~9.0.7",
     "@angular/platform-browser": "~9.0.7",
     "@angular/platform-browser-dynamic": "~9.0.7",
diff --git a/yarn.lock b/yarn.lock
index 6254cb9..9e1bd42 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -176,10 +176,12 @@
   resolved "https://registry.yarnpkg.com/@angular/compiler/-/compiler-9.0.7.tgz#3cf8f9f6dc6e787506a0bc9444c4abb857bb1068"
   integrity sha512-hFpkuGpzxpK5h59LHHAjTFWsY6DCXZwgJFqvCuTPxWi/srvLGZRXrpC6Z1SlgHI9xxXaPfoa4uWw2VfA3BnqEg==
 
-"@angular/core@~9.0.7":
-  version "9.0.7"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-9.0.7.tgz#f75f4ed8ea721f44c9df77502fd114a88db988e3"
-  integrity sha512-E9XZH5Dl+9MWG3MDC6wrKllhA8Rljpz66HOIeqKv2fHPed8kzuJZU3WJWLtbhDAXFwtGTyTZ4c82ZLSmqwTorg==
+"@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@~9.0.7":
   version "9.0.7"
@@ -474,7 +476,7 @@
     "@babel/traverse" "^7.8.3"
     "@babel/types" "^7.8.3"
 
-"@babel/helper-compilation-targets@^7.10.2", "@babel/helper-compilation-targets@^7.8.3", "@babel/helper-compilation-targets@^7.9.6":
+"@babel/helper-compilation-targets@7.10.2", "@babel/helper-compilation-targets@^7.10.2", "@babel/helper-compilation-targets@^7.8.3", "@babel/helper-compilation-targets@^7.9.6":
   version "7.10.2"
   resolved "https://registry.yarnpkg.com/@babel/helper-compilation-targets/-/helper-compilation-targets-7.10.2.tgz#a17d9723b6e2c750299d2a14d4637c76936d8285"
   integrity sha512-hYgOhF4To2UTB4LTaZepN/4Pl9LD4gfbJx8A34mqoluT8TLbof1mhUlYuNWTEebONa8+UlCC4X0TEXu7AOUyGA==
@@ -17096,16 +17098,21 @@ ts-pnp@^1.1.6:
   resolved "https://registry.yarnpkg.com/ts-pnp/-/ts-pnp-1.2.0.tgz#a500ad084b0798f1c3071af391e65912c86bca92"
   integrity sha512-csd+vJOb/gkzvcCHgTGSChYpy5f1/XKNsmvBGO4JXS+z1v2HobugDz4s1IeFXM3wZB44uczs+eazB5Q/ccdhQw==
 
-tslib@1.10.0, tslib@^1.8.1, tslib@^1.9.0:
+tslib@1.10.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
   integrity sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==
 
-tslib@^1.10.0:
+tslib@^1.10.0, tslib@^1.8.1, tslib@^1.9.0:
   version "1.11.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.11.1.tgz#eb15d128827fbee2841549e171f45ed338ac7e35"
   integrity sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA==
 
+tslib@^2.0.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+  integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==
+
 tsutils@^3.7.0:
   version "3.17.1"
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.17.1.tgz#ed719917f11ca0dee586272b2ac49e015a2dd759"