diff --git a/sandbox.config.json b/sandbox.config.json
index 9f3dacb..549106c 100644
--- a/sandbox.config.json
+++ b/sandbox.config.json
@@ -1 +1,6 @@
-{ "template": "node" }
+{
+  "template": "node",
+  "container": {
+    "node": "16"
+  }
+}