diff --git a/typed-racket-lib/info.rkt b/typed-racket-lib/info.rkt
index 6d516da6..891a184d 100644
--- a/typed-racket-lib/info.rkt
+++ b/typed-racket-lib/info.rkt
@@ -2,7 +2,7 @@
 
 (define collection 'multi)
 
-(define deps '(("base" #:version "6.2.0.2")
+(define deps '(("base" #:version "6.2.900.4")
                "pconvert-lib"
                "unstable-contract-lib"
                "source-syntax"
diff --git a/typed-racket-test/info.rkt b/typed-racket-test/info.rkt
index 36ca149b..66fbf970 100644
--- a/typed-racket-test/info.rkt
+++ b/typed-racket-test/info.rkt
@@ -3,7 +3,7 @@
 (define collection 'use-pkg-name)
 (define deps '("redex-lib"
                "sandbox-lib"
-               "base"
+               ("base" #:version "6.2.900.4")
                "typed-racket-lib"
                "typed-racket-more"
                "typed-racket-compatibility"