diff --git a/CHANGELOG.md b/CHANGELOG.md
index e089c24..c6b8323 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Log
 
+## [7.57.1](https://github.com/plivo/plivo-go/tree/v7.57.1) (2025-01-27)
+**New Param - Start Stream Api**
+- Support for `cx_bot` parameter in Start Stream API.
+
 ## [7.57.0](https://github.com/plivo/plivo-go/tree/v7.57.0) (2024-12-09)
 **Feature - MachineDetection params added in Dial XML Element**
 - Support for the `machineDetection` parameter in Dial XML Element.
diff --git a/baseclient.go b/baseclient.go
index 0ec3769..ac50313 100644
--- a/baseclient.go
+++ b/baseclient.go
@@ -13,7 +13,7 @@ import (
 	"github.com/google/go-querystring/query"
 )
 
-const sdkVersion = "7.57.0"
+const sdkVersion = "7.57.1"
 
 const lookupBaseUrl = "lookup.plivo.com"
 
diff --git a/calls.go b/calls.go
index 26dff1f..5a91a57 100644
--- a/calls.go
+++ b/calls.go
@@ -236,6 +236,7 @@ type CallStreamParams struct {
 	StatusCallbackMethod string `json:"status_callback_method,omitempty" url:"status_callback_method,omitempty"`
 	ContentType          string `json:"content_type,omitempty" url:"content_type,omitempty"`
 	ExtraHeaders         string `json:"extra_headers,omitempty" url:"extra_headers,omitempty"`
+	CxBot                bool   `json:"cx_bot,omitempty" url:"cx_bot,omitempty"`
 }
 
 type CallStreamGetAllObject struct {