elasticsearch-transport.gemspec in elasticsearch-transport-0.4.6 vs elasticsearch-transport.gemspec in elasticsearch-transport-0.4.7

@@ -28,10 +28,12 @@
   end
 
   s.add_development_dependency "bundler", "> 1"
   s.add_development_dependency "rake"
 
-  s.add_development_dependency "elasticsearch-extensions"
+  if defined?(RUBY_VERSION) && RUBY_VERSION > '1.9'
+    s.add_development_dependency "elasticsearch-extensions"
+  end
 
   s.add_development_dependency "ansi"
   s.add_development_dependency "shoulda-context"
   s.add_development_dependency "mocha"
   s.add_development_dependency "turn"