diff --git a/workflow.go b/workflow.go
index a5da8ad..6469aee 100644
--- a/workflow.go
+++ b/workflow.go
@@ -299,6 +299,7 @@ func setTempCookieRequest(req *http.Request, wf *Workflow) {
 func (wf *Workflow) Execute() (*Response, error) {
 
 	req := buildBodyRequest(wf)
+	defer req.Body.Close()
 
 	setHeaderRequest(req, wf)
 	setTempCookieRequest(req, wf)