diff --git a/CHANGELOG.md b/CHANGELOG.md
index ee65212..4a63985 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Change Log
 
+## [4.4.0](https://github.com/plivo/plivo-go/tree/v4.4.0) (2020-03-31)
+- Add application cascade delete support.
+
 ## [4.3.0](https://github.com/plivo/plivo-go/tree/v4.3.0) (2020-03-30)
 - Add Tollfree support for Powerpack
 
diff --git a/applications.go b/applications.go
index 68d9156..5598184 100644
--- a/applications.go
+++ b/applications.go
@@ -71,6 +71,11 @@ type ApplicationList struct {
 	Objects []Application `json:"objects" url:"objects"`
 }
 
+type ApplicationDeleteParams struct {
+	Cascade                bool   `json:"cascade" url:"cascade"` // Specify if the Application should be cascade deleted or not. Takes a value of True or False
+	NewEndpointApplication string `json:"new_endpoint_application,omitempty" url:"new_endpoint_application,omitempty"`
+}
+
 type ApplicationUpdateResponse BaseResponse
 
 func (service *ApplicationService) Create(params ApplicationCreateParams) (response *ApplicationCreateResponseBody, err error) {
@@ -113,8 +118,12 @@ func (service *ApplicationService) Update(appId string, params ApplicationUpdate
 	return
 }
 
-func (service *ApplicationService) Delete(appId string) (err error) {
-	request, err := service.client.NewRequest("DELETE", nil, "Application/%s", appId)
+func (service *ApplicationService) Delete(appId string, data ...ApplicationDeleteParams) (err error) {
+	var optionalParams interface{}
+	if data != nil {
+		optionalParams = data[0]
+	}
+	request, err := service.client.NewRequest("DELETE", optionalParams, "Application/%s", appId)
 	if err != nil {
 		return
 	}
diff --git a/baseclient.go b/baseclient.go
index 9433c0e..da0fc65 100644
--- a/baseclient.go
+++ b/baseclient.go
@@ -13,7 +13,7 @@ import (
 	"github.com/google/go-querystring/query"
 )
 
-const sdkVersion = "4.3.0"
+const sdkVersion = "4.4.0"
 
 type ClientOptions struct {
 	HttpClient *http.Client