diff --git a/packages/block-library/src/post-content/block.json b/packages/block-library/src/post-content/block.json
index dc8ad29ba4d0a5..fac7f38f9f4cb7 100644
--- a/packages/block-library/src/post-content/block.json
+++ b/packages/block-library/src/post-content/block.json
@@ -6,7 +6,7 @@
 		"postType"
 	],
 	"supports": {
-		"align": true,
+		"align": [ "wide", "full" ],
 		"html": false
 	}
 }