cat_tree.gemspec in cat_tree-1.0.0 vs cat_tree.gemspec in cat_tree-1.1.0

@@ -16,16 +16,15 @@
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.required_ruby_version = '>= 2.0'
+  spec.required_ruby_version = '>= 2.2'
 
-  spec.add_dependency 'activerecord', '>= 3.2.0', '< 5.0'
-  spec.add_dependency 'activesupport', '>= 3.2.0', '< 5.0'
+  spec.add_dependency 'activerecord', '>= 4.2.0', '< 5.2'
 
   spec.add_development_dependency "bundler", ">= 1.3.0", "< 2.0"
   spec.add_development_dependency "rake", ">= 0.8.7"
-  spec.add_development_dependency 'mysql2', '~> 0.3.18'
+  spec.add_development_dependency 'mysql2', ">= 0.3.18", "< 0.5"
   spec.add_development_dependency "rspec"
   spec.add_development_dependency 'appraisal'
 end