diff --git a/github/repos_hooks.go b/github/repos_hooks.go
index 36734ff..4370c16 100644
--- a/github/repos_hooks.go
+++ b/github/repos_hooks.go
@@ -29,6 +29,7 @@ type WebHookPayload struct {
 	Pusher     *User           `json:"pusher,omitempty"`
 	Ref        *string         `json:"ref,omitempty"`
 	Repo       *Repository     `json:"repository,omitempty"`
+	Sender     *User           `json:"sender,omitempty"`
 }
 
 func (w WebHookPayload) String() string {