ruby_px.gemspec in ruby_px-0.4.0 vs ruby_px.gemspec in ruby_px-0.5.0

@@ -2,11 +2,11 @@
 lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 Gem::Specification.new do |spec|
   spec.name          = "ruby_px"
-  spec.version       = '0.4.0'
+  spec.version       = '0.5.0'
   spec.authors       = ["Fernando Blat"]
   spec.email         = ["[e-mail]"]
 
   spec.summary       = %q{Read PC-Axis files using Ruby}
   spec.description   = %q{Read PC-Axis files using Ruby}
@@ -26,9 +26,9 @@
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
   spec.add_runtime_dependency "activesupport", ">= 4.2.5"
 
-  spec.add_development_dependency "bundler", "~> 1.10"
-  spec.add_development_dependency "rake", "~> 10.0"
-  spec.add_development_dependency "rspec", "~> 3.4"
+  spec.add_development_dependency "bundler", "~> 2.0.1"
+  spec.add_development_dependency "rake", "~> 12.3"
+  spec.add_development_dependency "rspec", "~> 3.8"
 end