diff --git a/packages/react/src/AnchoredOverlay/AnchoredOverlay.tsx b/packages/react/src/AnchoredOverlay/AnchoredOverlay.tsx
index 402322c4ce0..88260c2c8a2 100644
--- a/packages/react/src/AnchoredOverlay/AnchoredOverlay.tsx
+++ b/packages/react/src/AnchoredOverlay/AnchoredOverlay.tsx
@@ -79,6 +79,11 @@ interface AnchoredOverlayBaseProps extends Pick<OverlayProps, 'height' | 'width'
    * Settings to apply to the Focus Zone on the internal `Overlay` component.
    */
   focusZoneSettings?: Partial<FocusZoneHookSettings>
+
+  /**
+   * Optional className to be added to the overlay component.
+   */
+  className?: string
 }
 
 export type AnchoredOverlayProps = AnchoredOverlayBaseProps &