diff --git a/app/helpers/milestones_helper.rb b/app/helpers/milestones_helper.rb
index e127dee5c..ed8a1e38b 100644
--- a/app/helpers/milestones_helper.rb
+++ b/app/helpers/milestones_helper.rb
@@ -2,13 +2,17 @@ module MilestonesHelper
   def progress_tag_for(progress_bar)
     text = number_to_percentage(progress_bar.percentage, precision: 0)
 
-    content_tag :span do
-      content_tag(:span, "", "data-text": text, style: "width: #{progress_bar.percentage}%;") +
-      content_tag(:progress,
-                  text,
-                  class: progress_bar.primary? ? "primary" : "",
-                  max: ProgressBar::RANGE.max,
-                  value: progress_bar.percentage)
+    content_tag :div, class: "progress",
+                      role:  "progressbar",
+                      "aria-valuenow": "#{progress_bar.percentage}",
+                      "aria-valuetext": "#{progress_bar.percentage}%",
+                      "aria-valuemax": ProgressBar::RANGE.max,
+                      "aria-valuemin":  "0",
+                      tabindex: "0" do
+      content_tag(:span, "",
+                  class: "progress-meter",
+                  style: "width: #{progress_bar.percentage}%;") +
+      content_tag(:p, text, class: "progress-meter-text")
     end
   end
 end