pheme.gemspec in pheme-0.0.5 vs pheme.gemspec in pheme-0.0.6

@@ -18,10 +18,10 @@
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
   gem.licenses      = ["MIT"]
   gem.required_ruby_version = ">= 2.1.0"
 
-  gem.add_dependency "aws-sdk", "~> 2"
+  gem.add_dependency "aws-sdk", ">= 2", "< 4"
   gem.add_dependency "activesupport", ">= 4"
   gem.add_dependency "recursive-open-struct", "~> 1"
   gem.add_dependency "smarter_csv", "~> 1"
 
   gem.add_development_dependency "rspec", "~> 3.4"