diff --git a/typed-racket-more/typed/racket/draw.rkt b/typed-racket-more/typed/racket/draw.rkt
index a1b2b394..f2684d72 100644
--- a/typed-racket-more/typed/racket/draw.rkt
+++ b/typed-racket-more/typed/racket/draw.rkt
@@ -116,6 +116,7 @@
  [make-brush
   (->key #:color (Un -String (-inst -Color%)) #f
          #:style -Brush-Style #f
+         #:stipple (-opt (-inst (parse-type #'Bitmap%))) #f
          #:gradient (Un (-val #f)
                         (-inst (parse-type #'Linear-Gradient%))
                         (-inst (parse-type #'Radial-Gradient%)))