diff --git a/package-lock.json b/package-lock.json
index ef7d817..4c336cd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -793,9 +793,19 @@
       }
     },
     "@angular/core": {
-      "version": "9.0.0",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-9.0.0.tgz",
-      "integrity": "sha512-6Pxgsrf0qF9iFFqmIcWmjJGkkCaCm6V5QNnxMy2KloO3SDq6QuMVRbN9RtC8Urmo25LP+eZ6ZgYqFYpdD8Hd9w=="
+      "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": "9.0.0",
diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index c4ea06c..81b5647
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   "dependencies": {
     "@angular/common": "^9.0.0",
     "@angular/compiler": "^9.0.0",
-    "@angular/core": "^9.0.0",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^9.0.0",
     "@angular/platform-browser": "^9.0.0",
     "@angular/platform-browser-dynamic": "^9.0.0",