diff --git a/.changeset/sharp-jokes-notice.md b/.changeset/sharp-jokes-notice.md
new file mode 100644
index 0000000000..0610459244
--- /dev/null
+++ b/.changeset/sharp-jokes-notice.md
@@ -0,0 +1,5 @@
+---
+'@primer/view-components': patch
+---
+
+Adds `role="radiogroup"` on `fieldset` in radio group component
diff --git a/app/lib/primer/forms/radio_button_group.html.erb b/app/lib/primer/forms/radio_button_group.html.erb
index cdfa2fb162..4683f4a4e5 100644
--- a/app/lib/primer/forms/radio_button_group.html.erb
+++ b/app/lib/primer/forms/radio_button_group.html.erb
@@ -1,5 +1,5 @@
 <div class="FormControl-radio-group-wrap">
-  <%= content_tag(:fieldset, **@input.input_arguments) do %>
+  <%= content_tag(:fieldset, role: 'radiogroup', **@input.input_arguments) do %>
     <% if @input.label %>
       <%= content_tag(:legend, **@input.label_arguments) do %>
         <%= @input.label %>