diff --git a/package-lock.json b/package-lock.json
index a60bfd7..44352b8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -359,11 +359,18 @@
             }
         },
         "@angular/core": {
-            "version": "7.2.4",
-            "resolved": "https://registry.npmjs.org/@angular/core/-/core-7.2.4.tgz",
-            "integrity": "sha512-kfAxhIxl89PmB7y81FR/RAv0yWRFcEYxEnTwV+o8jKGfemAXtQ0g/Vh+lJR0SD/TBgFilMxotN1mhwH4A8GShw==",
+            "version": "11.0.5",
+            "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+            "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
             "requires": {
-                "tslib": "^1.9.0"
+                "tslib": "^2.0.0"
+            },
+            "dependencies": {
+                "tslib": {
+                    "version": "2.4.0",
+                    "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+                    "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ=="
+                }
             }
         },
         "@angular/forms": {
diff --git a/package.json b/package.json
index 7536c32..bc373e4 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "dependencies": {
         "@angular/common": "7.2.4",
         "@angular/compiler": "7.2.4",
-        "@angular/core": "7.2.4",
+        "@angular/core": "11.0.5",
         "@angular/forms": "7.2.4",
         "@angular/platform-browser": "7.2.4",
         "@angular/platform-browser-dynamic": "7.2.4",
diff --git a/yarn.lock b/yarn.lock
index af0b0ae..b20ce41 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -79,12 +79,12 @@
   dependencies:
     tslib "^1.9.0"
 
-"@angular/core@7.2.4":
-  version "7.2.4"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-7.2.4.tgz#a6c84940c8edcfa37158f666a1f99c6e4a97bf95"
-  integrity sha512-kfAxhIxl89PmB7y81FR/RAv0yWRFcEYxEnTwV+o8jKGfemAXtQ0g/Vh+lJR0SD/TBgFilMxotN1mhwH4A8GShw==
+"@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@7.2.4":
   version "7.2.4"
@@ -10262,6 +10262,11 @@ tslib@1.9.3, tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
   integrity sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==
 
+tslib@^2.0.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+  integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==
+
 tslint-config-prettier@1.18.0:
   version "1.18.0"
   resolved "https://registry.yarnpkg.com/tslint-config-prettier/-/tslint-config-prettier-1.18.0.tgz#75f140bde947d35d8f0d238e0ebf809d64592c37"