diff --git a/lib/Splash/Chargify/Resource/Subscription.php b/lib/Splash/Chargify/Resource/Subscription.php
index 7e5a486..9581713 100644
--- a/lib/Splash/Chargify/Resource/Subscription.php
+++ b/lib/Splash/Chargify/Resource/Subscription.php
@@ -87,5 +87,8 @@ public static function hydrateFilter() { return array(
         'current_period_ends_at' => function($value) { return new \DateTime($value); },
         'trial_ended_at' => function($value) { return new \DateTime($value); },
         'trial_started_at' => function($value) { return new \DateTime($value); },
+        'delayed_cancel_at' => function($value) { return new \DateTime($value); },
+        'canceled_at' => function($value) { return new \DateTime($value); },
+        'next_assessment_at' => function($value) { return new \DateTime($value); },
     ); }
-}
\ No newline at end of file
+}