diff --git a/examples/demand-koa/package.json b/examples/demand-koa/package.json
index 0ba1436..248c25d 100644
--- a/examples/demand-koa/package.json
+++ b/examples/demand-koa/package.json
@@ -11,7 +11,7 @@
     "@angular/common": ">=4.0.0 <5.0.0",
     "@angular/compiler": ">=4.0.0 <5.0.0",
     "@angular/compiler-cli": ">=4.0.0 <5.0.0",
-    "@angular/core": ">=4.0.0 <5.0.0",
+    "@angular/core": ">=11.0.5",
     "@angular/forms": ">=4.0.0 <5.0.0",
     "@angular/http": ">=4.0.0 <5.0.0",
     "@angular/material": "2.0.0-beta.3",