diff --git a/csv2json.gemspec b/csv2json.gemspec
index 9bd46bb..a63c493 100644
--- a/csv2json.gemspec
+++ b/csv2json.gemspec
@@ -60,13 +60,16 @@ Gem::Specification.new do |s|
     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
       s.add_runtime_dependency(%q<json>, [">= 0"])
       s.add_development_dependency(%q<shoulda>, [">= 0"])
+      s.add_development_dependency(%q<orderedhash>, [">= 0"])
     else
       s.add_dependency(%q<json>, [">= 0"])
       s.add_dependency(%q<shoulda>, [">= 0"])
+      s.add_dependency(%q<orderedhash>, [">= 0"])
     end
   else
     s.add_dependency(%q<json>, [">= 0"])
     s.add_dependency(%q<shoulda>, [">= 0"])
+    s.add_dependency(%q<orderedhash>, [">= 0"])
   end
 end