diff --git a/info.rkt b/info.rkt
index 0781d7b..3074bf1 100644
--- a/info.rkt
+++ b/info.rkt
@@ -1,6 +1,7 @@
 #lang info
 (define collection "pollen")
 (define deps '(("base" #:version "6.0") "txexpr" "sugar" ("markdown" #:version "0.18") "htdp"))
+(define update-implies '("txexpr" "sugar"))
 (define scribblings '(("scribblings/pollen.scrbl" (multi-page))))
 (define raco-commands '(("pollen" pollen/raco "issue Pollen command" #f)))
 (define compile-omit-paths '("tests" "raco.rkt"))
\ No newline at end of file