diff --git a/packages/vibrant-core/src/lib/OverlayBox/OverlayBox.tsx b/packages/vibrant-core/src/lib/OverlayBox/OverlayBox.tsx
index fbe62f9fe..b7f796055 100644
--- a/packages/vibrant-core/src/lib/OverlayBox/OverlayBox.tsx
+++ b/packages/vibrant-core/src/lib/OverlayBox/OverlayBox.tsx
@@ -55,7 +55,7 @@ export const OverlayBox = withOverlayBoxVariation(
           height={targetRect.height}
           onClick={handleTargetClick}
         >
-          <Box position="absolute" ref={innerRef} {...boxProps}>
+          <Box role="dialog" position="absolute" ref={innerRef} {...boxProps}>
             {children}
           </Box>
         </Box>