diff --git a/demo/package-lock.json b/demo/package-lock.json
index 68b7983..b8e17a6 100644
--- a/demo/package-lock.json
+++ b/demo/package-lock.json
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+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+          "dev": true
+        },
+        "tough-cookie": {
+          "version": "2.4.3",
+          "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
+          "integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
+          "dev": true,
+          "requires": {
+            "psl": "^1.1.24",
+            "punycode": "^1.4.1"
+          }
+        }
+      }
+    },
     "universalify": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
diff --git a/demo/package.json b/demo/package.json
index dd6033a..6759901 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -57,7 +57,7 @@
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "^0.10.7",
-    "@angular/cli": "^7.3.6",
+    "@angular/cli": "^8.0.0",
     "@angular/compiler-cli": "^7.2.10",
     "@angular/language-service": "^7.2.10",
     "@angularclass/hmr": "~2.1.3",