hash_ish.gemspec in hash_ish-0.3.0 vs hash_ish.gemspec in hash_ish-0.4.0

@@ -20,6 +20,8 @@
   spec.require_paths = ["lib"]
 
   spec.add_development_dependency "bundler", "~> 1.10"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec"
+  spec.add_runtime_dependency 'json'
 end
+