diff --git a/packages/examples/sandbox.config.json b/packages/examples/sandbox.config.json
index 1802dacb..0da04c0c 100644
--- a/packages/examples/sandbox.config.json
+++ b/packages/examples/sandbox.config.json
@@ -1,3 +1,5 @@
 {
-  "node": "16"
+  "container": {
+    "node": "16"
+  }
 }