Rakefile in bullet-5.7.0 vs Rakefile in bullet-5.7.1

@@ -10,15 +10,15 @@
 
 task :build do
   system 'gem build bullet.gemspec'
 end
 
-task :install => :build do
+task install: :build do
   system "sudo gem install bullet-#{Bullet::VERSION}.gem"
 end
 
-task :release => :build do
+task release: :build do
   puts "Tagging #{Bullet::VERSION}..."
   system "git tag -a #{Bullet::VERSION} -m 'Tagging #{Bullet::VERSION}'"
   puts 'Pushing to Github...'
   system 'git push --tags'
   puts 'Pushing to rubygems.org...'
@@ -28,11 +28,11 @@
 RSpec::Core::RakeTask.new(:spec) do |spec|
   spec.pattern = 'spec/**/*_spec.rb'
 end
 
 RSpec::Core::RakeTask.new('spec:progress') do |spec|
-  spec.rspec_opts = %w(--format progress)
+  spec.rspec_opts = %w[--format progress]
   spec.pattern = 'spec/**/*_spec.rb'
 end
 
 begin
   require 'rdoc/task'
@@ -46,6 +46,6 @@
   end
 rescue LoadError
   puts 'RDocTask is not supported for this platform'
 end
 
-task :default => :spec
+task default: :spec