diff --git a/info.rkt b/info.rkt
index 833d228..bfd4c18 100644
--- a/info.rkt
+++ b/info.rkt
@@ -8,7 +8,9 @@
                "version-case"
                "syntax-classes-lib"
                "rackunit-lib"))
-(define build-deps '("racket-doc" "scribble-lib" "drracket"))
+
+(define build-deps '("racket-doc" "scribble-lib" "drracket" "typed-racket-lib"))
 (define scribblings '(("scribblings/main.scrbl" (multi-page) (experimental) "syntax-spec-v2")))
+
 (define compile-omit-paths '("design" "demos"))
 (define test-omit-paths '("design" "demos"))