diff --git a/demo/package-lock.json b/demo/package-lock.json
index cc0f19b..6bf2f6f 100644
--- a/demo/package-lock.json
+++ b/demo/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "map-editor-app",
-  "version": "0.0.1",
+  "version": "0.1.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1003,11 +1003,18 @@
       }
     },
     "@angular/core": {
-      "version": "8.2.12",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-8.2.12.tgz",
-      "integrity": "sha512-wEFwhHCuuXynXAMeA1G+0KIYY0jqXYs7I8p+GO+ufKoUmzWHFTvtMJ6nvKgy+LmZTByO2gf9oVAAlRodNb8ttQ==",
+      "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/flex-layout": {
diff --git a/demo/package.json b/demo/package.json
index b3b9534..622af52 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -21,7 +21,7 @@
         "@angular/cdk": "^8.2.3",
         "@angular/common": "~8.2.11",
         "@angular/compiler": "~8.2.11",
-        "@angular/core": "~8.2.11",
+        "@angular/core": "~11.0.5",
         "@angular/flex-layout": "^8.0.0-beta.27",
         "@angular/forms": "~8.2.11",
         "@angular/material": "^8.2.3",