mighty_struct.gemspec in mighty_struct-0.1.2 vs mighty_struct.gemspec in mighty_struct-0.1.4

@@ -15,9 +15,10 @@
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
   spec.add_development_dependency "benchmark-ips"
   spec.add_development_dependency "bundler",   ">= 1.3"
+  spec.add_development_dependency "hashie"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "rspec",     ">= 3.0.0",  "< 4.0.0"
   spec.add_development_dependency "simplecov", ">= 0.8.0"
 end