diff --git a/src/Payline/Recurring.php b/src/Payline/Recurring.php
index 3e9c706..d87ee43 100644
--- a/src/Payline/Recurring.php
+++ b/src/Payline/Recurring.php
@@ -25,4 +25,8 @@ class Recurring
     public $startDate;
 
     public $endDate;
+
+    public $newAmount;
+
+    public $amountModificationDate;
 }
\ No newline at end of file