diff --git a/src/block.json b/src/block.json
index 89355f3..9cf740c 100644
--- a/src/block.json
+++ b/src/block.json
@@ -9,7 +9,8 @@
 	"description": "Example Like Button block used to demo Block Hooks.",
 	"supports": {
 		"html": false,
-		"layout": true
+		"layout": true,
+		"multiple": false
 	},
 	"textdomain": "like-button",
 	"editorScript": "file:./index.js",