diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ea7414..91f7779 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,23 @@
+### v2.31.0 (2023-09-26)
+* * *
+
+#### New attributes:
+* venmo has been added to the PaymentSource resource.
+* proration_type has been added to the QuotedCharge, QuotedSubscription and Subscription resource.
+
+#### New Enum values:
+* ebanx has been added to Gateway.
+* venmo has been added to Customer#TypeEnum.
+* venmo has been added to PaymentMethodEnum.
+* venmo has been added to PaymentMethodTypeEnum.
+* venmo has been added to TypeEnum.
+* venmo has been added to PaymentIntent#PaymentMethodTypeEnum.
+
+#### New Input parameters:
+* einvoicing_method has been added to HostedPage#CheckoutOneTimeForItemsRequest.
+* einvoicing_method has been added to HostedPage#CheckoutNewForItemsRequest.
+* additional_information has been added to PaymentSource#CardAdditionalInformation.
+
 ### v2.30.0 (2023-09-05)
 * * *
 
diff --git a/chargebee/models/payment_source.py b/chargebee/models/payment_source.py
index 109c0aa..e0b865d 100644
--- a/chargebee/models/payment_source.py
+++ b/chargebee/models/payment_source.py
@@ -25,14 +25,17 @@ class Upi(Model):
     class Paypal(Model):
       fields = ["email", "agreement_id"]
       pass
+    class Venmo(Model):
+      fields = ["user_name"]
+      pass
     class Mandate(Model):
       fields = ["id", "subscription_id", "created_at"]
       pass
 
     fields = ["id", "resource_version", "updated_at", "created_at", "customer_id", "type", \
     "reference_id", "status", "gateway", "gateway_account_id", "ip_address", "issuing_country", \
-    "card", "bank_account", "boleto", "billing_address", "amazon_payment", "upi", "paypal", "mandates", \
-    "deleted", "business_entity_id"]
+    "card", "bank_account", "boleto", "billing_address", "amazon_payment", "upi", "paypal", "venmo", \
+    "mandates", "deleted", "business_entity_id"]
 
 
     @staticmethod
diff --git a/chargebee/models/quoted_charge.py b/chargebee/models/quoted_charge.py
index 55e538e..5a32148 100644
--- a/chargebee/models/quoted_charge.py
+++ b/chargebee/models/quoted_charge.py
@@ -8,7 +8,7 @@ class Charge(Model):
       fields = ["amount", "amount_in_decimal", "description", "service_period_in_days", "avalara_sale_type", "avalara_transaction_type", "avalara_service_type"]
       pass
     class Addon(Model):
-      fields = ["id", "quantity", "unit_price", "quantity_in_decimal", "unit_price_in_decimal", "service_period"]
+      fields = ["id", "quantity", "unit_price", "quantity_in_decimal", "unit_price_in_decimal", "proration_type", "service_period"]
       pass
     class InvoiceItem(Model):
       fields = ["item_price_id", "quantity", "quantity_in_decimal", "unit_price", "unit_price_in_decimal", "service_period_days"]
diff --git a/chargebee/models/quoted_subscription.py b/chargebee/models/quoted_subscription.py
index 92cb561..5849dfe 100644
--- a/chargebee/models/quoted_subscription.py
+++ b/chargebee/models/quoted_subscription.py
@@ -5,7 +5,7 @@
 
 class QuotedSubscription(Model):
     class Addon(Model):
-      fields = ["id", "quantity", "unit_price", "amount", "trial_end", "remaining_billing_cycles", "quantity_in_decimal", "unit_price_in_decimal", "amount_in_decimal"]
+      fields = ["id", "quantity", "unit_price", "amount", "trial_end", "remaining_billing_cycles", "quantity_in_decimal", "unit_price_in_decimal", "amount_in_decimal", "proration_type"]
       pass
     class EventBasedAddon(Model):
       fields = ["id", "quantity", "unit_price", "service_period_in_days", "on_event", "charge_once", "quantity_in_decimal", "unit_price_in_decimal"]
diff --git a/chargebee/models/subscription.py b/chargebee/models/subscription.py
index 1fe709c..d13031a 100644
--- a/chargebee/models/subscription.py
+++ b/chargebee/models/subscription.py
@@ -14,7 +14,7 @@ class ChargedItem(Model):
       fields = ["item_price_id", "last_charged_at"]
       pass
     class Addon(Model):
-      fields = ["id", "quantity", "unit_price", "amount", "trial_end", "remaining_billing_cycles", "quantity_in_decimal", "unit_price_in_decimal", "amount_in_decimal"]
+      fields = ["id", "quantity", "unit_price", "amount", "trial_end", "remaining_billing_cycles", "quantity_in_decimal", "unit_price_in_decimal", "amount_in_decimal", "proration_type"]
       pass
     class EventBasedAddon(Model):
       fields = ["id", "quantity", "unit_price", "service_period_in_days", "on_event", "charge_once", "quantity_in_decimal", "unit_price_in_decimal"]
diff --git a/chargebee/result.py b/chargebee/result.py
index 130d697..6c702f3 100644
--- a/chargebee/result.py
+++ b/chargebee/result.py
@@ -69,7 +69,7 @@ def token(self):
     @property
     def payment_source(self):
         payment_source = self._get('payment_source', PaymentSource,
-        {'card' : PaymentSource.Card, 'bank_account' : PaymentSource.BankAccount, 'cust_voucher_source' : PaymentSource.CustVoucherSource, 'billing_address' : PaymentSource.BillingAddress, 'amazon_payment' : PaymentSource.AmazonPayment, 'upi' : PaymentSource.Upi, 'paypal' : PaymentSource.Paypal, 'mandates' : PaymentSource.Mandate});
+        {'card' : PaymentSource.Card, 'bank_account' : PaymentSource.BankAccount, 'cust_voucher_source' : PaymentSource.CustVoucherSource, 'billing_address' : PaymentSource.BillingAddress, 'amazon_payment' : PaymentSource.AmazonPayment, 'upi' : PaymentSource.Upi, 'paypal' : PaymentSource.Paypal, 'venmo' : PaymentSource.Venmo, 'mandates' : PaymentSource.Mandate});
         return payment_source;
 
     @property
diff --git a/chargebee/version.py b/chargebee/version.py
index 26b23cd..2e49b97 100644
--- a/chargebee/version.py
+++ b/chargebee/version.py
@@ -1 +1 @@
-VERSION = '2.30.0'
+VERSION = '2.31.0'