diff --git a/spinels-redd.gemspec b/spinels-redd.gemspec
index 2e3f269..a58fb26 100644
--- a/spinels-redd.gemspec
+++ b/spinels-redd.gemspec
@@ -21,7 +21,7 @@ Gem::Specification.new do |spec| # rubocop:disable Metrics/BlockLength
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  spec.add_dependency 'http', '>= 4.0', '< 6.0'
+  spec.add_dependency 'http', '>= 4.0', '< 7.0'
   spec.add_dependency 'lazy_lazer', '~> 0.8.1'
 
   spec.add_development_dependency 'bundler', '~> 2.0'