diff --git a/package.json b/package.json
index 42a33e9..8ec7a3c 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "@angular/animations": "^6.0.4",
     "@angular/common": "^6.0.4",
     "@angular/compiler": "^6.0.4",
-    "@angular/core": "^6.0.4",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^6.0.4",
     "@angular/http": "^6.0.4",
     "@angular/platform-browser": "^6.0.4",
diff --git a/yarn.lock b/yarn.lock
index 8dd0340..c50a16b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -135,11 +135,11 @@
   dependencies:
     tslib "^1.9.0"
 
-"@angular/core@^6.0.4":
-  version "6.0.4"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-6.0.4.tgz#80b19624493126b6c7e3a180a33dee92c84b4bd6"
+"@angular/core@^11.0.5":
+  version "11.0.5"
+  resolved "https://registry.yarnpkg.com/@angular/core/-/core-11.0.5.tgz#b8c448c3cd4f6dae7327cc1ba4ee2aa29c8dbc26"
   dependencies:
-    tslib "^1.9.0"
+    tslib "^2.0.0"
 
 "@angular/forms@^6.0.4":
   version "6.0.4"
@@ -1495,7 +1495,7 @@ compressible@~2.0.13:
 
 compression@^1.5.2:
   version "1.7.2"
-  resolved "http://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
+  resolved "https://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
   dependencies:
     accepts "~1.3.4"
     bytes "3.0.0"
@@ -2276,7 +2276,7 @@ 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"
@@ -3997,14 +3997,6 @@ loader-utils@^1.0.1, loader-utils@^1.0.2, loader-utils@^1.1.0:
     emojis-list "^2.0.0"
     json5 "^0.5.0"
 
-loader-utils@^1.0.1, loader-utils@^1.0.2, loader-utils@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.1.0.tgz#c98aef488bcceda2ffb5e2de646d6a754429f5cd"
-  dependencies:
-    big.js "^3.1.3"
-    emojis-list "^2.0.0"
-    json5 "^0.5.0"
-
 locate-path@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-2.0.0.tgz#2b568b265eec944c6d9c0de9c3dbbbca0354cd8e"
@@ -5744,12 +5736,6 @@ rxjs@^6.0.0, rxjs@^6.2.0:
   dependencies:
     tslib "^1.9.0"
 
-rxjs@^6.0.0, rxjs@^6.2.0:
-  version "6.2.0"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.2.0.tgz#e024d0e180b72756a83c2aaea8f25423751ba978"
-  dependencies:
-    tslib "^1.9.0"
-
 safe-buffer@5.1.1, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
@@ -6484,10 +6470,6 @@ symbol-observable@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.2.0.tgz#c22688aed4eab3cdc2dfeacbb561660560a00804"
 
-symbol-observable@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.2.0.tgz#c22688aed4eab3cdc2dfeacbb561660560a00804"
-
 syntax-error@^1.1.1:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/syntax-error/-/syntax-error-1.4.0.tgz#2d9d4ff5c064acb711594a3e3b95054ad51d907c"
@@ -6655,14 +6637,14 @@ tsickle@^0.29.0:
     source-map "^0.6.0"
     source-map-support "^0.5.0"
 
-tslib@^1.8.0, tslib@^1.8.1:
-  version "1.9.0"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.0.tgz#e37a86fda8cbbaf23a057f473c9f4dc64e5fc2e8"
-
-tslib@^1.9.0:
+tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
   version "1.9.2"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.2.tgz#8be0cc9a1f6dc7727c38deb16c2ebd1a2892988e"
 
+tslib@^2.0.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+
 tslint@~5.9.1:
   version "5.9.1"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.9.1.tgz#1255f87a3ff57eb0b0e1f0e610a8b4748046c9ae"