diff --git a/Gemfile b/Gemfile
index 1daa923..64b6ce3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,10 +11,10 @@ group :development do
 end
 
 group :test do
-  gem 'rspec', '~> 3.2'
-  gem 'webmock', '>= 1.10.1'
+  gem 'rspec', '~> 3'
+  gem 'webmock', '>= 1.22'
   gem 'rubocop', '>= 0.27'
-  gem 'simplecov', '>= 0.9'
+  gem 'simplecov'
 end
 
 gemspec
diff --git a/instapaper.gemspec b/instapaper.gemspec
index d0426ac..ca14512 100644
--- a/instapaper.gemspec
+++ b/instapaper.gemspec
@@ -4,7 +4,7 @@ require 'instapaper/version'
 
 Gem::Specification.new do |spec|
   spec.add_dependency 'addressable', '~> 2.3'
-  spec.add_dependency 'http', '~> 0.9'
+  spec.add_dependency 'http', '~> 1.0'
   spec.add_dependency 'multi_json', '~> 1'
   spec.add_dependency 'simple_oauth', '~> 0.3'
   spec.add_dependency 'virtus', '~> 1'