diff --git a/demo/package.json b/demo/package.json
index 1faca2ab..0411f163 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -29,7 +29,7 @@
     "zone.js": "^0.14.3"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "^19.1.0",
+    "@angular-devkit/build-angular": "^19.0.0",
     "@angular/cli": "^18.0.2",
     "@angular/compiler-cli": "^18.0.1",
     "@types/express": "^4.17.21",