diff --git a/stubs/braintree/METADATA.toml b/stubs/braintree/METADATA.toml
index 30cdf466ba3a..909042028e0e 100644
--- a/stubs/braintree/METADATA.toml
+++ b/stubs/braintree/METADATA.toml
@@ -1,2 +1,2 @@
-version = "4.39.*"
+version = "4.40.*"
 upstream_repository = "https://github.com/braintree/braintree_python"
diff --git a/stubs/braintree/braintree/error_codes.pyi b/stubs/braintree/braintree/error_codes.pyi
index 154bf9051b00..8f0e8864438c 100644
--- a/stubs/braintree/braintree/error_codes.pyi
+++ b/stubs/braintree/braintree/error_codes.pyi
@@ -509,6 +509,7 @@ class ErrorCodes:
         PaymentMethodNonceUnknown: Final = "91565"
         PaymentMethodTokenCardTypeIsNotAccepted: Final = "91517"
         PaymentMethodTokenIsInvalid: Final = "91518"
+        ProcessingMerchantCategoryCodeIsInvalid: Final = "915265"
         ProcessorAuthorizationCodeCannotBeSet: Final = "91519"
         ProcessorAuthorizationCodeIsInvalid: Final = "81520"
         ProcessorDoesNotSupportAuths: Final = "915104"
@@ -572,8 +573,17 @@ class ErrorCodes:
         TransactionIsNotEligibleForAdjustment: Final = "915219"
         TransactionMustBeInStateAuthorized: Final = "915218"
         TransactionSourceIsInvalid: Final = "915133"
-        TransferTypeIsInvalid: Final = "97501"
+        TransferDetailsAreNotApplicableForThisMerchantAccount: Final = "97511"
         TransferDetailsAreRequired: Final = "97510"
+        TransferReceiverAccountReferenceNumberIsNotValid: Final = "97509"
+        TransferReceiverFirstNameIsNotValid: Final = "97507"
+        TransferReceiverLastNameIsNotValid: Final = "97508"
+        TransferReceiverTaxIdIsNotValid: Final = "97506"
+        TransferSenderAccountReferenceNumberIsNotValid: Final = "97505"
+        TransferSenderFirstNameIsNotValid: Final = "97503"
+        TransferSenderLastNameIsNotValid: Final = "97504"
+        TransferSenderTaxIdIsNotValid: Final = "97502"
+        TransferTypeIsInvalid: Final = "97501"
         TypeIsInvalid: Final = "91523"
         TypeIsRequired: Final = "91524"
         UnsupportedVoiceAuthorization: Final = "91539"