diff --git a/httpClient.go b/httpClient.go
index d26e7b93..3d032ba2 100644
--- a/httpClient.go
+++ b/httpClient.go
@@ -7,6 +7,7 @@ import (
 
 type HttpClient interface {
 	Delete(url string) (*http.Response, error)
+	Do(*http.Request) (*http.Response, error)
 	GetJSON(url string) (*http.Response, error)
 	Post(url, bodyType string, body io.Reader) (*http.Response, error)
 	Put(url, bodyType string, body io.Reader) (*http.Response, error)