diff --git a/tapestry-core/src/main/java/org/apache/tapestry5/validator/Required.java b/tapestry-core/src/main/java/org/apache/tapestry5/validator/Required.java
index ee76388..2d6be67 100644
--- a/tapestry-core/src/main/java/org/apache/tapestry5/validator/Required.java
+++ b/tapestry-core/src/main/java/org/apache/tapestry5/validator/Required.java
@@ -61,6 +61,8 @@
                        FormSupport formSupport)
     {
 
+        writer.attributes("aria-required", "true");
+        
         if (formSupport.isClientValidationEnabled())
         {
             javaScriptSupport.require("t5/core/validation");