mutant.gemspec in mutant-0.9.5 vs mutant.gemspec in mutant-0.9.6

@@ -32,9 +32,10 @@
   gem.add_runtime_dependency('memoizable',    '~> 0.4.2')
   gem.add_runtime_dependency('mprelude',      '~> 0.1.0')
   gem.add_runtime_dependency('parser',        '~> 2.7.0.2')
   gem.add_runtime_dependency('procto',        '~> 0.0.2')
   gem.add_runtime_dependency('unparser',      '~> 0.4.6')
+  gem.add_runtime_dependency('variable',      '~> 0.0.1')
 
   gem.add_development_dependency('devtools', '~> 0.1.25')
   gem.add_development_dependency('parallel', '~> 1.3')
 end