diff --git a/passworks.gemspec b/passworks.gemspec
index ea578cb..c483b38 100644
--- a/passworks.gemspec
+++ b/passworks.gemspec
@@ -20,8 +20,8 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency 'faraday', '~> 0.9.0'
-  spec.add_dependency 'faraday_middleware', '>= 0.9.1', '< 0.14.0'
+  spec.add_dependency 'faraday', '>= 0.9', '< 0.16'
+  spec.add_dependency 'faraday_middleware', '~> 0.9.1'
 
   spec.add_development_dependency "bundler", "~> 2.0"
   spec.add_development_dependency "rake"