diff --git a/github/repos_collaborators.go b/github/repos_collaborators.go
index 15a4e77a2f1..d6c985359aa 100644
--- a/github/repos_collaborators.go
+++ b/github/repos_collaborators.go
@@ -99,6 +99,8 @@ type RepositoryPermissionLevel struct {
 	Permission *string `json:"permission,omitempty"`
 
 	User *User `json:"user,omitempty"`
+
+	RoleName *string `json:"role_name,omitempty"`
 }
 
 // GetPermissionLevel retrieves the specific permission level a collaborator has for a given repository.