diff --git a/package.json b/package.json
index fdb9df2..44626c4 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "@angular/animations": "8.0.0",
     "@angular/common": "8.0.0",
     "@angular/compiler": "8.0.0",
-    "@angular/core": "8.0.0",
+    "@angular/core": "11.0.5",
     "@angular/forms": "8.0.0",
     "@angular/http": "8.0.0-beta.10",
     "@angular/platform-browser": "8.0.0",
diff --git a/yarn.lock b/yarn.lock
index 5cc91c7..48a4efc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -200,12 +200,12 @@
   dependencies:
     tslib "^1.9.0"
 
-"@angular/core@8.0.0":
-  version "8.0.0"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-8.0.0.tgz#bf7a582b818e9181d830219907470e2b865ba32f"
-  integrity sha512-mrkP1PTzqCmZGLYll+TDyawLXHzi+FcRPqSuRxCmDMthUUE93SLXT2yISDkx9aMPtFKgFr6KfrIkKuCz16BP/g==
+"@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 "^1.9.0"
+    tslib "^2.0.0"
 
 "@angular/forms@8.0.0":
   version "8.0.0"
@@ -8513,16 +8513,11 @@ tslib@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@^1.7.1, tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
   version "1.14.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
   integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
 
-tslib@^1.7.1, tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
-  version "1.13.0"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"
-  integrity sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==
-
 tslib@^2.0.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.3.0.tgz#803b8cdab3e12ba581a4ca41c8839bbb0dacb09e"