diff --git a/R/sidebar.R b/R/sidebar.R
index 1f97601c0..a453cc926 100644
--- a/R/sidebar.R
+++ b/R/sidebar.R
@@ -95,7 +95,7 @@ sidebar <- function(
   }
 
   if (rlang::is_bare_character(title) || rlang::is_bare_numeric(title)) {
-    title <- div(title, class = "sidebar-title")
+    title <- div(title, class = "sidebar-title", role="heading")
   }
 
   collapse_tag <-