diff --git a/racket/collects/racket/private/set.rkt b/racket/collects/racket/private/set.rkt
index b7617cb901..8364fc4276 100644
--- a/racket/collects/racket/private/set.rkt
+++ b/racket/collects/racket/private/set.rkt
@@ -1,5 +1,5 @@
 #lang racket/base
-(require racket/contract
+(require racket/contract/base
          racket/generic
          racket/stream
          (for-syntax racket/base))
diff --git a/racket/collects/racket/set.rkt b/racket/collects/racket/set.rkt
index 7f385a1198..2e2082d997 100644
--- a/racket/collects/racket/set.rkt
+++ b/racket/collects/racket/set.rkt
@@ -1,6 +1,7 @@
 #lang racket/base
 
-(require racket/contract
+(require racket/contract/base
+         racket/contract/combinator
          racket/private/set
          racket/private/set-types
          racket/generic