rasti-app.gemspec in rasti-app-3.0.0 vs rasti-app.gemspec in rasti-app-4.0.0

@@ -19,10 +19,10 @@
   spec.require_paths = ['lib']
 
   spec.add_runtime_dependency 'inflecto', '~> 0.0'
   spec.add_runtime_dependency 'asynchronic', '~> 1.6', '>= 1.6.2'
   spec.add_runtime_dependency 'multi_require', '~> 1.0'
-  spec.add_runtime_dependency 'hash_ext', '~> 0.2', '>= 0.2.1'
+  spec.add_runtime_dependency 'hash_ext', '~> 0.5'
   spec.add_runtime_dependency 'consty', '~> 1.0'
   spec.add_runtime_dependency 'rasti-form', '~> 2.0'
 
   spec.add_development_dependency 'bundler', '~> 1.12'
   spec.add_development_dependency 'rake', '~> 11.0'