diff --git a/lib/simple_form/components/html5.rb b/lib/simple_form/components/html5.rb
index cb513703..545b8f16 100644
--- a/lib/simple_form/components/html5.rb
+++ b/lib/simple_form/components/html5.rb
@@ -7,7 +7,10 @@ module SimpleForm
 
       def html5
         @html5 = true
-        input_html_options[:required] = true if has_required?
+        if has_required?
+          input_html_options[:required] = true
+          input_html_options['aria-required'] = true
+        end
         nil
       end
 
diff --git a/lib/simple_form/inputs/base.rb b/lib/simple_form/inputs/base.rb
index 79fbd2ce..a6d6f550 100644
--- a/lib/simple_form/inputs/base.rb
+++ b/lib/simple_form/inputs/base.rb
@@ -66,7 +66,6 @@ module SimpleForm
 
         @input_html_classes = @html_classes.dup
         @input_html_options = html_options_for(:input, input_html_classes).tap do |o|
-          o['aria-required'] = true if has_required?
           o[:readonly]  = true if has_readonly?
           o[:disabled]  = true if has_disabled?
           o[:autofocus] = true if has_autofocus?