diff --git a/xero_accounting.yaml b/xero_accounting.yaml
index 564c98d5e..ab299e5ae 100644
--- a/xero_accounting.yaml
+++ b/xero_accounting.yaml
@@ -516,7 +516,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
     put:
       security:
         - OAuth2:
@@ -558,7 +558,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
   /BatchPayments:
     parameters:
       - $ref: '#/components/parameters/requiredHeader'
@@ -2427,7 +2427,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
     put:
       security:
         - OAuth2:
@@ -2469,7 +2469,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
   /BankTransactions/{BankTransactionID}/History:
     parameters:
       - $ref: '#/components/parameters/requiredHeader'
@@ -2944,7 +2944,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
     put:
       security:
         - OAuth2:
@@ -2985,7 +2985,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
   /BankTransfers/{BankTransferID}/History:
     parameters:
       - $ref: '#/components/parameters/requiredHeader'
@@ -4518,7 +4518,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
     put:
       security:
         - OAuth2:
@@ -4559,7 +4559,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
   /Contacts/{ContactID}/CISSettings:
     parameters:
       - $ref: '#/components/parameters/requiredHeader'
@@ -6148,7 +6148,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
     put:
       security:
         - OAuth2:
@@ -6191,7 +6191,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
   /CreditNotes/{CreditNoteID}/pdf:
     parameters:
       - $ref: '#/components/parameters/requiredHeader'
@@ -8726,7 +8726,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
     put:
       security:
         - OAuth2:
@@ -8769,7 +8769,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
   /Invoices/{InvoiceID}/OnlineInvoice:
     parameters:
       - $ref: '#/components/parameters/requiredHeader'
@@ -10776,7 +10776,7 @@ paths:
             application/octet-stream:
               schema:
                 type: string
-                format: binary
+                format: byte
   /ManualJournals/{ManualJournalID}/Attachments/{FileName}:
     parameters:
       - $ref: '#/components/parameters/requiredHeader'
@@ -10842,7 +10842,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
     put:
       security:
         - OAuth2:
@@ -10884,7 +10884,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
   /ManualJournals/{ManualJournalID}/History:
     parameters:
       - $ref: '#/components/parameters/requiredHeader'
@@ -14203,7 +14203,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
     put:
       security:
         - OAuth2:
@@ -14245,7 +14245,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
   /Quotes:
     parameters:
       - $ref: '#/components/parameters/requiredHeader'
@@ -15174,7 +15174,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
     put:
       security:
         - OAuth2:
@@ -15216,7 +15216,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
   /Receipts:
     parameters:
       - $ref: '#/components/parameters/requiredHeader'
@@ -15966,7 +15966,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
     put:
       security:
         - OAuth2:
@@ -16008,7 +16008,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
   /Receipts/{ReceiptID}/History:
     parameters:
       - $ref: '#/components/parameters/requiredHeader'
@@ -16715,7 +16715,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
     put:
       security:
         - OAuth2:
@@ -16757,7 +16757,7 @@ paths:
           application/octet-stream:
             schema:
               type: string
-              format: binary
+              format: byte
   /RepeatingInvoices/{RepeatingInvoiceID}/History:
     parameters:
       - $ref: '#/components/parameters/requiredHeader'