diff --git a/lib/commons/aria/index.js b/lib/commons/aria/index.js
index 679a0cdf2a..ed88d832a4 100644
--- a/lib/commons/aria/index.js
+++ b/lib/commons/aria/index.js
@@ -249,7 +249,7 @@ lookupTables.role = {
 	'checkbox': {
 		type: 'widget',
 		attributes:  {
-			allowed: ['aria-checked']
+			allowed: ['aria-checked', 'aria-required']
 		},
 		owned: null,
 		nameFrom: ['author', 'contents'],