lock_jar.gemspec in lock_jar-0.12.4 vs lock_jar.gemspec in lock_jar-0.12.5

@@ -20,6 +20,8 @@
   s.require_paths = %w(lib)
   s.summary = 'Manage Jar files for Ruby'
 
   s.add_dependency(%q<naether>, ['~> 0.14.2'])
   s.add_dependency(%q<thor>, ['>= 0.18.1'])
+
+  s.add_development_dependency('rake')
 end