diff --git a/packages/@react-spectrum/s2/src/Dialog.tsx b/packages/@react-spectrum/s2/src/Dialog.tsx
index a158d4574bd..e1eee02e4aa 100644
--- a/packages/@react-spectrum/s2/src/Dialog.tsx
+++ b/packages/@react-spectrum/s2/src/Dialog.tsx
@@ -33,7 +33,7 @@ export interface DialogProps extends Omit<RACDialogProps, 'className' | 'style'
    *
    * @default 'M'
    */
-  size?: 'S' | 'M' | 'L',
+  size?: 'S' | 'M' | 'L' | 'XL',
   /** Whether pressing the escape key to close the dialog should be disabled. */
   isKeyboardDismissDisabled?: boolean
 }
diff --git a/packages/@react-spectrum/s2/src/Modal.tsx b/packages/@react-spectrum/s2/src/Modal.tsx
index 67913f99699..9ce1343d776 100644
--- a/packages/@react-spectrum/s2/src/Modal.tsx
+++ b/packages/@react-spectrum/s2/src/Modal.tsx
@@ -24,7 +24,7 @@ interface ModalProps extends ModalOverlayProps {
    *
    * @default 'M'
    */
-  size?: 'S' | 'M' | 'L' | 'fullscreen' | 'fullscreenTakeover'
+  size?: 'S' | 'M' | 'L' | 'XL' | 'fullscreen' | 'fullscreenTakeover'
 }
 
 const modalOverlayStyles = style({
@@ -86,6 +86,7 @@ export const Modal = forwardRef(function Modal(props: ModalProps, ref: DOMRef<HT
               S: 400,
               M: 480,
               L: 640,
+              XL: 944,
               fullscreen: 'calc(100% - 40px)',
               fullscreenTakeover: 'full'
             }