diff --git a/typed-racket-more/info.rkt b/typed-racket-more/info.rkt
index a5c9e02b..73e2e79a 100644
--- a/typed-racket-more/info.rkt
+++ b/typed-racket-more/info.rkt
@@ -11,6 +11,7 @@
                "rackunit-gui"
                "snip-lib"
                "typed-racket-lib"
+               "htdp-lib"
                "gui-lib"
                "pict-lib"
                "images-lib"