diff --git a/src/components/layout/ActivityBar.tsx b/src/components/layout/ActivityBar.tsx
index 600cf79..219d26b 100644
--- a/src/components/layout/ActivityBar.tsx
+++ b/src/components/layout/ActivityBar.tsx
@@ -74,6 +74,8 @@ const ITEMS: ActivityItem[] = [
 export const ActivityBar: Component<ActivityBarProps> = (props) => {
   return (
     <aside
+      role="navigation"
+      aria-label="Primary sidebar"
       style={{
         display: "flex",
         "flex-direction": "column",