xi-midi.gemspec in xi-midi-0.1.3 vs xi-midi.gemspec in xi-midi-0.1.4

@@ -22,7 +22,8 @@
 
   spec.add_development_dependency "bundler", "~> 1.14"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "minitest", "~> 5.0"
 
+  spec.add_dependency 'xi-lang', spec.version
   spec.add_dependency 'rawmidi'
 end