diff --git a/Gemfile b/Gemfile
index 24a3706..9d54627 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,11 +2,3 @@ source :rubygems
 
 gemspec
 
-gem 'virtus', :git => 'https://github.com/solnic/virtus'
-
-# RUBY_VERSION ~> "1.9.0"
-# gem "debugger"
-
-# RUBY_VERSION ~> "1.8.0"
-# gem "ruby-debug"
-# gem "linecache", "0.43"
diff --git a/json-schematized.gemspec b/json-schematized.gemspec
index 6e5e0f9..71b04b5 100644
--- a/json-schematized.gemspec
+++ b/json-schematized.gemspec
@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
 
   s.add_runtime_dependency "multi_json", "~> 1.0"
   s.add_runtime_dependency "activesupport"
-  s.add_runtime_dependency "virtus"
+  s.add_runtime_dependency "virtus", '~> 0.5'
 
   s.add_development_dependency "json", "~> 1.4"
   s.add_development_dependency "rspec", ">= 2.6"