diff --git a/src/Ramcar/TransactionOrigin.php b/src/Ramcar/TransactionOrigin.php
index fabf2900..a204b35f 100644
--- a/src/Ramcar/TransactionOrigin.php
+++ b/src/Ramcar/TransactionOrigin.php
@@ -12,6 +12,7 @@ class TransactionOrigin extends NameValue
     const WALK_IN           = 'walk_in';
     const LAZADA            = 'lazada';
     const THIRD_PARTY       = 'third_party';
+    const SHOPIFY           = 'shopify';
     const YOKOHAMA_OP_FACEBOOK = 'yokohama_op_facebook';
     const YOKOHAMA_TWITTER     = 'yokohama_twitter';
     const YOKOHAMA_INSTAGRAM   = 'yokohama_instagram';
@@ -28,6 +29,7 @@ class TransactionOrigin extends NameValue
         'walk_in' => 'Walk-in',
         'lazada' => 'Lazada',
         'third_party' => 'Third Party',
+        'shopify' => 'Shopify',
         'yokohama_op_facebook' => 'Yokohama OP Facebook',
         'yokohama_twitter' => 'Yokohama Twitter',
         'yokohama_instagram' => 'Yokohama Instagram',