rake-compiler-dock.gemspec in rake-compiler-dock-0.3.1 vs rake-compiler-dock.gemspec in rake-compiler-dock-0.4.0

@@ -11,9 +11,10 @@
   spec.summary       = %q{Docker based cross compiler environment for building binary windows gems.}
   spec.description   = %q{Easy to use Docker based cross compiler environment for building binary windows gems.
 Use rake-compiler-dock to enter an interactive shell session or add a task to your Rakefile to automate your cross build.}
   spec.homepage      = "https://github.com/larskanis/rake-compiler-dock"
   spec.license       = "MIT"
+  spec.required_ruby_version = '>= 1.9.3'
 
   spec.files         = `git ls-files -z`.split("\x0")
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]