diff --git a/src/Picqer/Financials/Moneybird/Entities/FinancialMutation.php b/src/Picqer/Financials/Moneybird/Entities/FinancialMutation.php
index 384232c..8ebd817 100644
--- a/src/Picqer/Financials/Moneybird/Entities/FinancialMutation.php
+++ b/src/Picqer/Financials/Moneybird/Entities/FinancialMutation.php
@@ -72,6 +72,7 @@ class FinancialMutation extends Model
         'payments',
         'ledger_account_bookings',
         'account_servicer_transaction_id',
+        'version',
     ];
 
     /**
diff --git a/src/Picqer/Financials/Moneybird/Entities/GeneralDocument.php b/src/Picqer/Financials/Moneybird/Entities/GeneralDocument.php
index 616f86e..8fb3c3d 100644
--- a/src/Picqer/Financials/Moneybird/Entities/GeneralDocument.php
+++ b/src/Picqer/Financials/Moneybird/Entities/GeneralDocument.php
@@ -33,6 +33,7 @@ class GeneralDocument extends Model
         'updated_at',
         'notes',
         'attachments',
+        'version',
     ];
 
     /**