diff --git a/angular/package.json b/angular/package.json
index f6384bb..b84ae79 100644
--- a/angular/package.json
+++ b/angular/package.json
@@ -16,7 +16,7 @@
   "dependencies": {
     "@angular/common": "^4.0.0",
     "@angular/compiler": "^4.0.0",
-    "@angular/core": "^4.0.0",
+    "@angular/core": "^11.0.5",
     "@angular/http": "^4.0.0",
     "@angular/platform-browser": "^4.0.0",
     "@angular/platform-browser-dynamic": "^4.0.0",
diff --git a/angular/yarn.lock b/angular/yarn.lock
index fcceea5..780f13d 100644
--- a/angular/yarn.lock
+++ b/angular/yarn.lock
@@ -106,9 +106,11 @@
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/@angular/compiler/-/compiler-4.0.0.tgz#e1aa061a6f8ef269f9748af1a7bc290f9d37ed6c"
 
-"@angular/core@^4.0.0":
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-4.0.0.tgz#fd877e074b29dfa9c63b96a21995fc7556d423a3"
+"@angular/core@^11.0.5":
+  version "11.0.5"
+  resolved "https://registry.yarnpkg.com/@angular/core/-/core-11.0.5.tgz#b8c448c3cd4f6dae7327cc1ba4ee2aa29c8dbc26"
+  dependencies:
+    tslib "^2.0.0"
 
 "@angular/http@^4.0.0":
   version "4.0.0"
@@ -6720,6 +6722,10 @@ tsickle@^0.21.0:
     source-map "^0.5.6"
     source-map-support "^0.4.2"
 
+tslib@^2.0.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+
 tslint@^4.5.0:
   version "4.5.1"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-4.5.1.tgz#05356871bef23a434906734006fc188336ba824b"