ar-octopus.gemspec in ar-octopus-0.8.5 vs ar-octopus.gemspec in ar-octopus-0.8.6

@@ -23,10 +23,10 @@
 
   s.add_dependency 'activerecord', '>= 3.2.0'
   s.add_dependency 'activesupport', '>= 3.2.0'
 
   s.add_development_dependency 'appraisal', '>= 0.3.8'
-  s.add_development_dependency 'mysql2', '> 0.3'
+  s.add_development_dependency 'mysql2', '~> 0.3.18'
   s.add_development_dependency 'pg', '>= 0.11.0'
   s.add_development_dependency 'rake', '>= 0.8.7'
   s.add_development_dependency 'rspec', '>= 3'
   s.add_development_dependency 'rubocop'
   s.add_development_dependency 'sqlite3', '>= 1.3.4'