imigrate.gemspec in imigrate-0.9.0 vs imigrate.gemspec in imigrate-0.9.1

@@ -9,12 +9,13 @@
   s.authors     = ["Matthieu Paret"]
   s.email       = ["[e-mail]"]
   s.homepage    = "https://github.com/ifeelgoods/imigrate"
   s.summary     = %q{Rake tasks to migrate data for Rails application.}
   s.description = %q{Rake tasks to migrate data for Rails application.}
+  s.license     = 'Apache License Version 2.0'
 
-  s.add_development_dependency "rails", "~> 4.1.0"
-  s.add_development_dependency "rspec-rails", "~> 3.1.0"
+  s.add_development_dependency "rails", ">= 4.1.0"
+  s.add_development_dependency "rspec-rails", ">= 3.1.0"
   s.add_development_dependency "sqlite3"
   s.add_development_dependency "generator_spec"
   s.add_development_dependency "database_cleaner"
 
   s.files         = `git ls-files`.split("\n")