diff --git a/pkgs/typed-racket-pkgs/typed-racket-lib/info.rkt b/pkgs/typed-racket-pkgs/typed-racket-lib/info.rkt
index d85eba8d..ec5cb2e7 100644
--- a/pkgs/typed-racket-pkgs/typed-racket-lib/info.rkt
+++ b/pkgs/typed-racket-pkgs/typed-racket-lib/info.rkt
@@ -3,5 +3,6 @@
 (define collection 'multi)
 
 (define deps '("unstable-list-lib"
+               "compatibility-lib" ;; to assign types
                "string-constants-lib"))