diff --git a/package-lock.json b/package-lock.json
index 1f2d367..8ba4b27 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -45,9 +45,19 @@
       }
     },
     "@angular/core": {
-      "version": "4.1.3",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-4.1.3.tgz",
-      "integrity": "sha1-KFSY64arfQtvmC+Pn0h+9hABOzU="
+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+      "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
+      "requires": {
+        "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": {
       "version": "4.1.3",
diff --git a/package.json b/package.json
index 6393d23..b42a3cd 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
         "@angular/common": "4.1.3",
         "@angular/compiler": "4.1.3",
         "@angular/compiler-cli": "4.1.3",
-        "@angular/core": "4.1.3",
+        "@angular/core": "11.0.5",
         "@angular/forms": "4.1.3",
         "@angular/http": "4.1.3",
         "@angular/platform-browser": "4.1.3",