diff --git a/Formula/mlton.rb b/Formula/mlton.rb
index ef07d4a10a..02a9e0bea1 100644
--- a/Formula/mlton.rb
+++ b/Formula/mlton.rb
@@ -19,8 +19,8 @@ end
 
 class Mlton < Formula
   homepage 'http://mlton.org'
-  url 'http://downloads.sourceforge.net/project/mlton/mlton/20100608/mlton-20100608-1.amd64-darwin.gmp-static.tgz'
-  sha1 'b5e067f2f3d2166d074602f83b03004587f3adab'
+  url 'http://downloads.sourceforge.net/project/mlton/mlton/20130715/mlton-20130715-1.amd64-darwin.gmp-static.tgz'
+  sha1 'b3b13e0a606bf42d62d4d028687336106ada160a'
 
   # We download and install the version of MLton which is statically linked to libgmp, but all
   # generated executables will require gmp anyway, hence the dependency