diff --git a/middleman-deploy.gemspec b/middleman-deploy.gemspec
index 92eeea2..dc23293 100644
--- a/middleman-deploy.gemspec
+++ b/middleman-deploy.gemspec
@@ -11,6 +11,7 @@ Gem::Specification.new do |s|
   s.homepage    = "http://tvaughan.github.com/middleman-deploy/"
   s.summary     = %q{Deploy a middleman built site over rsync, ftp, or git (e.g. gh-pages on github).}
   s.description = %q{Deploy a middleman built site over rsync, ftp, or git (e.g. gh-pages on github).}
+  s.license     = "MIT"
 
   s.files         = `git ls-files`.split("\n")
   s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")