elasticsearch-api.gemspec in elasticsearch-api-0.4.3 vs elasticsearch-api.gemspec in elasticsearch-api-0.4.4

@@ -46,9 +46,10 @@
 
   # Prevent unit test failures on Ruby 1.8
   if defined?(RUBY_VERSION) && RUBY_VERSION < '1.9'
     s.add_development_dependency "test-unit", '~> 2'
     s.add_development_dependency "activesupport", '~> 3'
+    s.add_development_dependency "json"
   end
 
   if defined?(RUBY_VERSION) && RUBY_VERSION > '1.9'
     s.add_development_dependency "escape_utils"
     s.add_development_dependency "simplecov"