diff --git a/twitter.gemspec b/twitter.gemspec
index f208cf711..0511bf13e 100644
--- a/twitter.gemspec
+++ b/twitter.gemspec
@@ -15,7 +15,7 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency('faraday', '~> 0.6.1')
   s.add_runtime_dependency('faraday_middleware', '~> 0.6.3')
   s.add_runtime_dependency('jruby-openssl', '~> 0.7.2') if RUBY_PLATFORM == 'java'
-  s.add_runtime_dependency('multi_json', '~> 0.0.5')
+  s.add_runtime_dependency('multi_json', '~> 1.0.0')
   s.add_runtime_dependency('multi_xml', '~> 0.2.0')
   s.add_runtime_dependency('rash', '~> 0.3.0')
   s.add_runtime_dependency('simple_oauth', '~> 0.1.4')