diff --git a/src/components/MetricsDialog.tsx b/src/components/MetricsDialog.tsx
index f77a06211..c95b32262 100644
--- a/src/components/MetricsDialog.tsx
+++ b/src/components/MetricsDialog.tsx
@@ -22,6 +22,7 @@ export function MetricsDialog({ isOpen, onClose }: MetricsDialogProps) {
         <button
           onClick={onClose}
           className='text-gray-500 hover:text-gray-700 dark:text-gray-400 dark:hover:text-gray-200 absolute right-3 top-3'
+          aria-label='Close dialog'
         >
           <svg
             className='h-5 w-5'