diff --git a/lib/commons/aria/index.js b/lib/commons/aria/index.js
index 6d3fa943ea..b7a8423ae6 100644
--- a/lib/commons/aria/index.js
+++ b/lib/commons/aria/index.js
@@ -261,7 +261,7 @@ lookupTables.role = {
 	'combobox': {
 		type: 'composite',
 		attributes:  {
-			allowed: ['aria-expanded', 'aria-autocomplete', 'aria-required', 'aria-activedescendant']
+			allowed: ['aria-expanded', 'aria-autocomplete', 'aria-required', 'aria-activedescendant', 'aria-orientation']
 		},
 		owned: {
 			all: ['listbox', 'textbox']
@@ -443,7 +443,7 @@ lookupTables.role = {
 	'listbox': {
 		type: 'composite',
 		attributes: {
-			allowed: ['aria-activedescendant', 'aria-multiselectable', 'aria-required', 'aria-expanded']
+			allowed: ['aria-activedescendant', 'aria-multiselectable', 'aria-required', 'aria-expanded', 'aria-orientation']
 		},
 		owned: {
 			all: ['option']
@@ -503,7 +503,7 @@ lookupTables.role = {
 	'menu': {
 		type: 'composite',
 		attributes: {
-			allowed: ['aria-activedescendant', 'aria-expanded']
+			allowed: ['aria-activedescendant', 'aria-expanded', 'aria-orientation']
 		},
 		owned: {
 			one: ['menuitem', 'menuitemradio', 'menuitemcheckbox']
@@ -515,7 +515,7 @@ lookupTables.role = {
 	'menubar': {
 		type: 'composite',
 		attributes: {
-			allowed: ['aria-activedescendant', 'aria-expanded']
+			allowed: ['aria-activedescendant', 'aria-expanded', 'aria-orientation']
 		},
 		owned: null,
 		nameFrom: ['author'],
@@ -794,7 +794,7 @@ lookupTables.role = {
 	'tablist': {
 		type: 'composite',
 		attributes: {
-			allowed: ['aria-activedescendant', 'aria-expanded', 'aria-level', 'aria-multiselectable']
+			allowed: ['aria-activedescendant', 'aria-expanded', 'aria-level', 'aria-multiselectable', 'aria-orientation']
 		},
 		owned: {
 			all: ['tab']
@@ -870,7 +870,7 @@ lookupTables.role = {
 	'tree': {
 		type: 'composite',
 		attributes: {
-			allowed: ['aria-activedescendant', 'aria-multiselectable', 'aria-required', 'aria-expanded']
+			allowed: ['aria-activedescendant', 'aria-multiselectable', 'aria-required', 'aria-expanded', 'aria-orientation']
 		},
 		owned: {
 			all: ['treeitem']
@@ -882,7 +882,7 @@ lookupTables.role = {
 		type: 'composite',
 		attributes: {
 			allowed: ['aria-activedescendant', 'aria-colcount', 'aria-expanded', 'aria-level', 'aria-multiselectable',
-				'aria-readonly', 'aria-required', 'aria-rowcount']
+				'aria-readonly', 'aria-required', 'aria-rowcount', 'aria-orientation']
 		},
 		owned: {
 			all: ['treeitem']