diff --git a/demo/package.json b/demo/package.json
index 8b89337..3039cb4 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -60,7 +60,7 @@
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "^0.13.7",
-    "@angular/cli": "^7.3.7",
+    "@angular/cli": "^9.0.6",
     "@angular/compiler-cli": "^7.2.11",
     "@angular/language-service": "^7.2.11",
     "@angularclass/hmr": "~2.1.3",