diff --git a/Casks/smlnj.rb b/Casks/smlnj.rb
new file mode 100644
index 000000000000..536448689b87
--- /dev/null
+++ b/Casks/smlnj.rb
@@ -0,0 +1,10 @@
+class Smlnj < Cask
+  version '110.77'
+  sha256 '77265ce1bdbca3e9c9b3053195503bf2bffafbba196596679fb64d9ceb4e25ee'
+
+  url "http://smlnj.cs.uchicago.edu/dist/working/#{version}/smlnj-x86-#{version}.pkg"
+  homepage 'http://www.smlnj.org/'
+
+  pkg "smlnj-x86-#{version}.pkg"
+  uninstall :pkgutil => 'org.smlnj.x86.pkg'
+end