diff --git a/package-lock.json b/package-lock.json
index a440248..9309bff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -974,11 +974,18 @@
       }
     },
     "@angular/core": {
-      "version": "8.2.0",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-8.2.0.tgz",
-      "integrity": "sha512-Sg7zPaaAeV73zobKmxvdQ0pDhZAigDKM9jOqm2q19ucdOLBBQJnZf7JkZYO+KWm56Ttz76Jetl+neR5zzGg/bg==",
+      "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/fire": {
@@ -10652,14 +10659,6 @@
         "is-number": "^7.0.0"
       }
     },
-    "toastr": {
-      "version": "2.1.4",
-      "resolved": "https://registry.npmjs.org/toastr/-/toastr-2.1.4.tgz",
-      "integrity": "sha1-i0O+ZPudDEFIcURvLbjoyk6V8YE=",
-      "requires": {
-        "jquery": ">=1.12.0"
-      }
-    },
     "toidentifier": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
diff --git a/package.json b/package.json
index 39a2175..3a78573 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "@angular/animations": "~8.2.0",
     "@angular/common": "~8.2.0",
     "@angular/compiler": "~8.2.0",
-    "@angular/core": "~8.2.0",
+    "@angular/core": "~11.0.5",
     "@angular/fire": "^5.2.1",
     "@angular/forms": "~8.2.0",
     "@angular/platform-browser": "~8.2.0",