diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4c05176..2a74923 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+### v3.16.0 (2026-01-12)
+* * * 
+
+### New Parameters:
+* invoice_usages has been added to HostedPage#CheckoutExistingForItemsInputParam.
+
 ### v3.15.0 (2025-12-30)
 * * * 
 
diff --git a/chargebee/models/hosted_page/operations.py b/chargebee/models/hosted_page/operations.py
index 6506614..14e8433 100644
--- a/chargebee/models/hosted_page/operations.py
+++ b/chargebee/models/hosted_page/operations.py
@@ -783,6 +783,7 @@ class CheckoutExistingForItemsParams(TypedDict):
         change_option: NotRequired[enums.ChangeOption]
         changes_scheduled_at: NotRequired[int]
         customer: NotRequired["HostedPage.CheckoutExistingForItemsCustomerParams"]
+        invoice_usages: NotRequired[bool]
         entity_identifiers: NotRequired[
             List["HostedPage.CheckoutExistingForItemsEntityIdentifierParams"]
         ]
diff --git a/chargebee/version.py b/chargebee/version.py
index 567cda1..76caab7 100644
--- a/chargebee/version.py
+++ b/chargebee/version.py
@@ -1 +1 @@
-VERSION = "3.15.0"
+VERSION = "3.16.0"