diff --git a/package.json b/package.json
index 70c4577..6b1d98c 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "@angular/common": "^4.4.2",
     "@angular/compiler": "^4.4.2",
     "@angular/compiler-cli": "^4.4.2",
-    "@angular/core": "^4.4.2",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^4.4.2",
     "@angular/http": "^4.4.2",
     "@angular/platform-browser": "^4.4.2",
diff --git a/yarn.lock b/yarn.lock
index fa0aec0..83ec0de 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -111,11 +111,11 @@
   dependencies:
     tslib "^1.7.1"
 
-"@angular/core@^4.4.2":
-  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@^4.4.2":
   version "4.4.6"
@@ -5658,14 +5658,14 @@ tsickle@^0.21.0:
     source-map "^0.5.6"
     source-map-support "^0.4.2"
 
-tslib@^1.7.1:
-  version "1.7.1"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.7.1.tgz#bc8004164691923a79fe8378bbeb3da2017538ec"
-
-tslib@^1.8.0, tslib@^1.8.1:
+tslib@^1.7.1, 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@^2.0.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+
 tslint@^5.7.0:
   version "5.9.1"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.9.1.tgz#1255f87a3ff57eb0b0e1f0e610a8b4748046c9ae"