diff --git a/src/Ramcar/CMBModeOfPayment.php b/src/Ramcar/CMBModeOfPayment.php
index 63bb9a2d..7c7135e4 100644
--- a/src/Ramcar/CMBModeOfPayment.php
+++ b/src/Ramcar/CMBModeOfPayment.php
@@ -10,6 +10,7 @@ class CMBModeOfPayment extends NameValue
     const CREDIT_CARD       = 'credit_card';
     const ONLINE_TRANSFER   = 'online_transfer';
     const E_WALLET          = 'e_wallet';
+    const DEBIT_CARD        = 'debit_card';
 
     const COLLECTION = [
         'cash' => 'Cash',
@@ -18,5 +19,6 @@ class CMBModeOfPayment extends NameValue
         'credit_card' => 'Credit Card',
         'online_transfer' => 'Online Transfer',
         'e_wallet' => 'E-Wallet',
+        'debit_card' => 'Debit Card',
     ];
 }