diff --git a/demo/package.json b/demo/package.json
index 9c84052..929ce8e 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -38,7 +38,7 @@
     "zone.js": "^0.8.26"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "~0.6.0",
+    "@angular-devkit/build-angular": "~0.7.3",
     "@angular/cli": "^6.1.1",
     "@angular/compiler-cli": "^6.1.1",
     "@angular/language-service": "^6.1.1",