diff --git a/lib/Subscription.php b/lib/Subscription.php
index 262dd5d07..a1087a56a 100644
--- a/lib/Subscription.php
+++ b/lib/Subscription.php
@@ -28,6 +28,7 @@
  * @property string $latest_invoice
  * @property boolean $livemode
  * @property StripeObject $metadata
+ * @property string $pending_setup_intent
  * @property Plan $plan
  * @property int $quantity
  * @property SubscriptionSchedule $schedule