Gemfile in riddle-2.3.2 vs Gemfile in riddle-2.4.0

- old
+ new

@@ -2,7 +2,7 @@
 
 source 'http://rubygems.org'
 
 gemspec
 
-gem 'mysql2',     '0.5.0',  :platform => :ruby
-gem 'jdbc-mysql', '5.1.35', :platform => :jruby
+gem 'mysql2',     '~> 0.5.2',  :platform => :ruby
+gem 'jdbc-mysql', '~> 5.1.47', :platform => :jruby