diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index de8334dd..ee33d6b5 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -2,13 +2,28 @@ name: Tests
 on: [push]
 jobs:
   test:
-    name: Test Swift Package
+    name: Test
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-ruby@v1
-      - name: 'Install Dependencies'
-        run: sudo apt-get install libcurl4-openssl-dev && gem install bundler && bundle install
-      - name: 'Test'
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          bundler-cache: true
+      - name: Test
         run: bundle exec rake test
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          bundler-cache: true
+      - name: Test
+        run: bundle exec rake standard
diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 00000000..be94e6f5
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+3.2.2
diff --git a/Gemfile b/Gemfile
index d296794b..19f01f5f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,8 @@
-source 'https://rubygems.org'
+source "https://rubygems.org"
 
 gemspec
 
-gem 'rake'
+gem "rake", "~> 13.0"
+gem "minitest", "~> 5.0"
+gem "standard", "~> 1.3"
+gem "webmock", "~> 3.19"
diff --git a/Rakefile b/Rakefile
index 121155ca..e41a92a6 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,10 +1,12 @@
-require 'bundler/gem_tasks'
-require 'rake/testtask'
+require "bundler/gem_tasks"
+require "rake/testtask"
 
 Rake::TestTask.new(:test) do |t|
-  t.libs << 'test'
-  t.libs << 'lib'
-  t.test_files = FileList['test/**/*_test.rb']
+  t.libs << "test"
+  t.libs << "lib"
+  t.test_files = FileList["test/**/*_test.rb"]
 end
 
-task :default => :test
+require "standard/rake"
+
+task default: :test
diff --git a/hue.gemspec b/hue.gemspec
index f115a20e..c1122b34 100644
--- a/hue.gemspec
+++ b/hue.gemspec
@@ -1,27 +1,23 @@
-# coding: utf-8
-lib = File.expand_path('../lib', __FILE__)
+lib = File.expand_path("../lib", __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
-require 'hue/version'
+require "hue/version"
 
 Gem::Specification.new do |spec|
-  spec.name          = 'hue'
-  spec.version       = Hue::VERSION
-  spec.authors       = ['Sam Soffes']
-  spec.email         = ['sam@soff.es']
-  spec.description   = 'Work with Philips Hue light bulbs.'
-  spec.summary       = 'Work with Philips Hue light bulbs from Ruby.'
-  spec.homepage      = 'https://github.com/soffes/hue'
-  spec.license       = 'MIT'
+  spec.name = "hue"
+  spec.version = Hue::VERSION
+  spec.authors = ["Sam Soffes"]
+  spec.email = ["sam@soff.es"]
+  spec.description = "Work with Philips Hue light bulbs."
+  spec.summary = "Work with Philips Hue light bulbs from Ruby."
+  spec.homepage = "https://github.com/soffes/hue"
+  spec.license = "MIT"
 
-  spec.files         = `git ls-files`.split($/)
-  spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
-  spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
-  spec.require_paths = ['lib']
+  spec.files = `git ls-files`.split($/)
+  spec.executables = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
+  spec.require_paths = ["lib"]
 
-  spec.required_ruby_version = '>= 2.1.0'
-  spec.add_dependency 'thor'
-  spec.add_dependency 'json'
-  spec.add_dependency 'color_conversion'
-  spec.add_development_dependency 'minitest', '~> 5.0'
-  spec.add_development_dependency 'webmock'
+  spec.required_ruby_version = ">= 2.1.0"
+  spec.add_dependency "thor"
+  spec.add_dependency "json"
+  spec.add_dependency "color_conversion"
 end
diff --git a/lib/hue.rb b/lib/hue.rb
index aaf55cf1..8aab388e 100644
--- a/lib/hue.rb
+++ b/lib/hue.rb
@@ -1,12 +1,12 @@
-require 'hue/version'
-require 'hue/errors'
-require 'hue/client'
-require 'hue/bridge'
-require 'hue/editable_state'
-require 'hue/translate_keys'
-require 'hue/light'
-require 'hue/group'
-require 'hue/scene'
+require "hue/version"
+require "hue/errors"
+require "hue/client"
+require "hue/bridge"
+require "hue/editable_state"
+require "hue/translate_keys"
+require "hue/light"
+require "hue/group"
+require "hue/scene"
 
 module Hue
   USERNAME_RANGE = 10..40
diff --git a/lib/hue/bridge.rb b/lib/hue/bridge.rb
index 5a7ef780..85fcd4ea 100644
--- a/lib/hue/bridge.rb
+++ b/lib/hue/bridge.rb
@@ -46,21 +46,21 @@ def initialize(client, hash)
     # Current time stored on the bridge.
     def utc
       json = get_configuration
-      DateTime.parse(json['utc'])
+      DateTime.parse(json["utc"])
     end
 
     # Indicates whether the link button has been pressed within the last 30
     # seconds.
     def link_button_pressed?
       json = get_configuration
-      json['linkbutton']
+      json["linkbutton"]
     end
 
     # This indicates whether the bridge is registered to synchronize data with a
     # portal account.
     def has_portal_services?
       json = get_configuration
-      json['portalservices']
+      json["portalservices"]
     end
 
     def refresh
@@ -74,7 +74,7 @@ def refresh
     def lights
       @lights ||= begin
         json = JSON(Net::HTTP.get(URI.parse(base_url)))
-        json['lights'].map do |key, value|
+        json["lights"].map do |key, value|
           Light.new(@client, self, key, value)
         end
       end
@@ -84,7 +84,7 @@ def add_lights
       uri = URI.parse("#{base_url}/lights")
       http = Net::HTTP.new(uri.host)
       response = http.request_post(uri.path, nil)
-      (response.body).first
+      response.body.first
     end
 
     def groups
@@ -105,27 +105,27 @@ def scenes
       end
     end
 
-  private
+    private
 
     KEYS_MAP = {
-      :id => :id,
-      :ip => :internalipaddress,
-      :name => :name,
-      :proxy_port => :proxyport,
-      :software_update => :swupdate,
-      :ip_whitelist => :whitelist,
-      :software_version => :swversion,
-      :proxy_address => :proxyaddress,
-      :mac_address => :macaddress,
-      :network_mask => :netmask,
-      :portal_services => :portalservices,
+      id: :id,
+      ip: :internalipaddress,
+      name: :name,
+      proxy_port: :proxyport,
+      software_update: :swupdate,
+      ip_whitelist: :whitelist,
+      software_version: :swversion,
+      proxy_address: :proxyaddress,
+      mac_address: :macaddress,
+      network_mask: :netmask,
+      portal_services: :portalservices
     }
 
     def unpack(hash)
       KEYS_MAP.each do |local_key, remote_key|
         value = hash[remote_key.to_s]
         next unless value
-        instance_variable_set("@#{local_key}", value)
+        instance_variable_set(:"@#{local_key}", value)
       end
     end
 
diff --git a/lib/hue/cli.rb b/lib/hue/cli.rb
index 2169b15b..91c8c5e1 100644
--- a/lib/hue/cli.rb
+++ b/lib/hue/cli.rb
@@ -1,23 +1,23 @@
-require 'thor'
+require "thor"
 
 module Hue
   class Cli < Thor
-    desc 'lights', 'Find all of the lights on your network'
+    desc "lights", "Find all of the lights on your network"
     def lights
       client.lights.each do |light|
         puts light.id.to_s.ljust(6) + light.name
       end
     end
 
-    desc 'add LIGHTS', 'Search for new lights'
+    desc "add LIGHTS", "Search for new lights"
     def add(thing)
       case thing
-      when 'lights'
+      when "lights"
         client.add_lights
       end
     end
 
-    desc 'light ID STATE [COLOR]', 'Access a light'
+    desc "light ID STATE [COLOR]", "Access a light"
     long_desc <<-LONGDESC
     Examples: \n
       hue all on \n
@@ -27,20 +27,20 @@ def add(thing)
       hue all --hue 50000 --brightness 200 --saturation 240 \n
       hue all --alert lselect \n
     LONGDESC
-    option :hue, :type => :numeric
-    option :sat, :type => :numeric, :aliases => '--saturation'
-    option :bri, :type => :numeric, :aliases => '--brightness'
-    option :alert, :type => :string
-    desc 'all STATE', 'Send commands to all lights'
-    def all(state = 'on')
+    option :hue, type: :numeric
+    option :sat, type: :numeric, aliases: "--saturation"
+    option :bri, type: :numeric, aliases: "--brightness"
+    option :alert, type: :string
+    desc "all STATE", "Send commands to all lights"
+    def all(state = "on")
       body = options.dup
-      body[:on] = state == 'on'
+      body[:on] = state == "on"
       client.lights.each do |light|
         puts light.set_state body
       end
     end
 
-    desc 'light ID STATE [COLOR]', 'Access a light'
+    desc "light ID STATE [COLOR]", "Access a light"
     long_desc <<-LONGDESC
     Examples: \n
       hue light 1 on --hue 12345  \n
@@ -48,20 +48,20 @@ def all(state = 'on')
       hue light 1 --alert lselect \n
       hue light 1 off
     LONGDESC
-    option :hue, :type => :numeric
-    option :sat, :type => :numeric, :aliases => '--saturation'
-    option :bri, :type => :numeric, :aliases => '--brightness'
-    option :alert, :type => :string
+    option :hue, type: :numeric
+    option :sat, type: :numeric, aliases: "--saturation"
+    option :bri, type: :numeric, aliases: "--brightness"
+    option :alert, type: :string
     def light(id, state = nil)
       light = client.light(id)
       puts light.name
 
       body = options.dup
-      body[:on] = (state == 'on' || !(state == 'off'))
+      body[:on] = (state == "on" || !(state == "off"))
       puts light.set_state(body) if body.length > 0
     end
 
-    desc 'groups', 'Find all light groups on your network'
+    desc "groups", "Find all light groups on your network"
     def groups
       client.groups.each do |group|
         puts group.id.to_s.ljust(6) + group.name
@@ -71,7 +71,7 @@ def groups
       end
     end
 
-    desc 'group ID STATE [COLOR]', 'Update a group of lights'
+    desc "group ID STATE [COLOR]", "Update a group of lights"
     long_desc <<-LONGDESC
     Examples: \n
       hue groups 1 on --hue 12345
@@ -79,20 +79,20 @@ def groups
       hue groups 1 --alert lselect
       hue groups 1 off
     LONGDESC
-    option :hue, :type => :numeric
-    option :sat, :type => :numeric, :aliases => '--saturation'
-    option :bri, :type => :numeric, :aliases => '--brightness'
-    option :alert, :type => :string
+    option :hue, type: :numeric
+    option :sat, type: :numeric, aliases: "--saturation"
+    option :bri, type: :numeric, aliases: "--brightness"
+    option :alert, type: :string
     def group(id, state = nil)
       group = client.group(id)
       puts group.name
 
       body = options.dup
-      body[:on] = (state == 'on' || !(state == 'off'))
+      body[:on] = (state == "on" || !(state == "off"))
       puts group.set_state(body) if body.length > 0
     end
 
-  private
+    private
 
     def client
       @client ||= Hue::Client.new
diff --git a/lib/hue/client.rb b/lib/hue/client.rb
index 32c72f0c..4b656a04 100644
--- a/lib/hue/client.rb
+++ b/lib/hue/client.rb
@@ -1,6 +1,6 @@
-require 'net/http'
-require 'json'
-require 'resolv'
+require "net/http"
+require "json"
+require "resolv"
 
 module Hue
   class Client
@@ -23,11 +23,11 @@ def initialize(username = nil, use_mdns: true)
     end
 
     def bridge
-      @bridge_id = find_bridge_id unless @bridge_id
-      if @bridge_id
-        bridge = bridges.select { |b| b.id == @bridge_id }.first
+      @bridge_id ||= find_bridge_id
+      bridge = if @bridge_id
+        bridges.find { |b| b.id == @bridge_id }
       else
-        bridge = bridges.first
+        bridges.first
       end
       raise NoBridgeFound unless bridge
       bridge
@@ -52,7 +52,7 @@ def add_lights
 
     def light(id)
       id = id.to_s
-      lights.select { |l| l.id == id }.first
+      lights.find { |l| l.id == id }
     end
 
     def groups
@@ -63,7 +63,7 @@ def group(id = nil)
       return Group.new(self, bridge) if id.nil?
 
       id = id.to_s
-      groups.select { |g| g.id == id }.first
+      groups.find { |g| g.id == id }
     end
 
     def scenes
@@ -72,18 +72,18 @@ def scenes
 
     def scene(id)
       id = id.to_s
-      scenes.select { |s| s.id == id }.first
+      scenes.find { |s| s.id == id }
     end
 
     private
 
     def find_username
-      return ENV['HUE_USERNAME'] if ENV['HUE_USERNAME']
+      return ENV["HUE_USERNAME"] if ENV["HUE_USERNAME"]
 
-      json = JSON(File.read(File.expand_path('~/.hue')))
-      json['username']
+      json = JSON(File.read(File.expand_path("~/.hue")))
+      json["username"]
     rescue
-      return nil
+      nil
     end
 
     def validate_user
@@ -93,38 +93,38 @@ def validate_user
         response = response.first
       end
 
-      if error = response['error']
+      if (error = response["error"])
         raise get_error(error)
       end
 
-      response['success']
+      response["success"]
     end
 
     def register_user
       body = JSON.dump({
-        devicetype: 'Ruby'
+        devicetype: "Ruby"
       })
 
       uri = URI.parse("http://#{bridge.ip}/api")
       http = Net::HTTP.new(uri.host)
       response = JSON(http.request_post(uri.path, body).body).first
 
-      if error = response['error']
+      if (error = response["error"])
         raise get_error(error)
       end
 
-      if @username = response['success']['username']
-        File.write(File.expand_path('~/.hue'), JSON.dump({username: @username}))
+      if (@username = response["success"]["username"])
+        File.write(File.expand_path("~/.hue"), JSON.dump({username: @username}))
       end
     end
 
     def find_bridge_id
-      return ENV['HUE_BRIDGE_ID'] if ENV['HUE_BRIDGE_ID']
+      return ENV["HUE_BRIDGE_ID"] if ENV["HUE_BRIDGE_ID"]
 
-      json = JSON(File.read(File.expand_path('~/.hue')))
-      json['bridge_id']
+      json = JSON(File.read(File.expand_path("~/.hue")))
+      json["bridge_id"]
     rescue
-      return nil
+      nil
     end
 
     def discovery_mdns(bs)
@@ -135,8 +135,8 @@ def discovery_mdns(bs)
         bridge_target = resolver.getresource(bridge_ptr.name, Resolv::DNS::Resource::IN::SRV).target
 
         bridge_hash = {
-        'id' => resolver.getresource(bridge_ptr.name, Resolv::DNS::Resource::IN::TXT).strings[0].split('=')[1],
-        'internalipaddress' => resolver.getresource(bridge_target, Resolv::DNS::Resource::IN::A).address
+          "id" => resolver.getresource(bridge_ptr.name, Resolv::DNS::Resource::IN::TXT).strings[0].split("=")[1],
+          "internalipaddress" => resolver.getresource(bridge_target, Resolv::DNS::Resource::IN::A).address
         }
 
         bs << Bridge.new(self, bridge_hash)
@@ -144,9 +144,9 @@ def discovery_mdns(bs)
     end
 
     def discovery_meethue(bs)
-      uri = URI('https://discovery.meethue.com/')
+      uri = URI("https://discovery.meethue.com/")
       response = Net::HTTP.get(uri)
-      
+
       JSON(response).each do |hash|
         bs << Bridge.new(self, hash)
       end
@@ -154,8 +154,8 @@ def discovery_meethue(bs)
 
     def get_error(error)
       # Find error class and return instance
-      klass = Hue::ERROR_MAP[error['type']] || UnknownError unless klass
-      klass.new(error['description'])
+      klass ||= Hue::ERROR_MAP[error["type"]] || UnknownError
+      klass.new(error["description"])
     end
   end
 end
diff --git a/lib/hue/editable_state.rb b/lib/hue/editable_state.rb
index c6bc05e1..a8225884 100644
--- a/lib/hue/editable_state.rb
+++ b/lib/hue/editable_state.rb
@@ -1,4 +1,4 @@
-require 'color_conversion'
+require "color_conversion"
 
 module Hue
   module EditableState
@@ -21,21 +21,21 @@ def off!
     # Turn the light on if it's off and vice versa
     def toggle!
       if @on
-        self.off!
+        off!
       else
-        self.on!
+        on!
       end
     end
 
-    %w{on hue saturation brightness color_temperature alert effect}.each do |key|
-      define_method "#{key}=".to_sym do |value|
+    %w[on hue saturation brightness color_temperature alert effect].each do |key|
+      define_method :"#{key}=" do |value|
         set_state({key.to_sym => value})
-        instance_variable_set("@#{key}".to_sym, value)
+        instance_variable_set(:"@#{key}", value)
       end
     end
 
     def set_xy(x, y)
-      set_state({:xy => [x, y]})
+      set_state({xy: [x, y]})
       @x, @y = x, y
     end
 
@@ -44,7 +44,7 @@ def hex
     end
 
     def hex=(hex)
-      hex = "##{hex}" unless hex.start_with?('#')
+      hex = "##{hex}" unless hex.start_with?("#")
       hsb = ColorConversion::Color.new(hex).hsb
 
       # Map values from standard HSB to what Hue wants and update state
diff --git a/lib/hue/errors.rb b/lib/hue/errors.rb
index b9231822..af85e7c9 100644
--- a/lib/hue/errors.rb
+++ b/lib/hue/errors.rb
@@ -2,33 +2,47 @@ module Hue
   class Error < StandardError; end
 
   class UnauthorizedUser < Error; end
+
   class InvalidJSON < Error; end
+
   class ResourceNotAvailable < Error; end
+
   class MethodNotAvailable < Error; end
+
   class MissingBody < Error; end
+
   class ParameterNotAvailable < Error; end
+
   class InvalidValueForParameter < Error; end
+
   class ParameterNotModifiable < Error; end
+
   class InternalError < Error; end
+
   class LinkButtonNotPressed < Error; end
+
   class ParameterNotModifiableWhileOff < ParameterNotModifiable; end
+
   class TooManyGroups < Error; end
+
   class GroupTooFull < Error; end
 
   class InvalidUsername < Error; end
+
   class UnknownError < Error; end
+
   class NoBridgeFound < Error; end
 
   # Status code to exception map
   ERROR_MAP = {
-      1 => Hue::UnauthorizedUser,
-      2 => Hue::InvalidJSON,
-      3 => Hue::ResourceNotAvailable,
-      4 => Hue::MethodNotAvailable,
-      5 => Hue::MissingBody,
-      6 => Hue::ParameterNotAvailable,
-      7 => Hue::InvalidValueForParameter,
-      8 => Hue::ParameterNotModifiable,
+    1 => Hue::UnauthorizedUser,
+    2 => Hue::InvalidJSON,
+    3 => Hue::ResourceNotAvailable,
+    4 => Hue::MethodNotAvailable,
+    5 => Hue::MissingBody,
+    6 => Hue::ParameterNotAvailable,
+    7 => Hue::InvalidValueForParameter,
+    8 => Hue::ParameterNotModifiable,
     901 => Hue::InternalError,
     101 => Hue::LinkButtonNotPressed,
     201 => Hue::ParameterNotModifiableWhileOff,
diff --git a/lib/hue/group.rb b/lib/hue/group.rb
index 0ea4dc59..3036fcce 100644
--- a/lib/hue/group.rb
+++ b/lib/hue/group.rb
@@ -58,16 +58,14 @@ def each(&block)
     end
 
     def lights
-      @lights ||= begin
-        @light_ids.map do |light_id|
-          @client.light(light_id)
-        end
+      @lights ||= @light_ids.map do |light_id|
+        @client.light(light_id)
       end
     end
 
     def name=(name)
-      resp = set_group_state({:name => name})
-      @name = new? ? name : resp[0]['success']["/groups/#{id}/name"]
+      resp = set_group_state({name: name})
+      @name = new? ? name : resp[0]["success"]["/groups/#{id}/name"]
     end
 
     def lights=(light_ids)
@@ -78,17 +76,17 @@ def lights=(light_ids)
       @light_ids = light_ids.uniq
       @lights = nil # resets the memoization
 
-      set_group_state({:lights => @light_ids})
+      set_group_state({lights: @light_ids})
     end
 
     def scene=(scene)
       scene_id = scene.is_a?(Scene) ? scene.id : scene
-      set_group_state({:scene => scene_id})
+      set_group_state({scene: scene_id})
     end
 
     def <<(light_id)
       @light_ids << light_id
-      set_group_state({:lights => @light_ids})
+      set_group_state({lights: @light_ids})
     end
     alias_method :add_light, :<<
 
@@ -120,8 +118,8 @@ def refresh
 
     def create!
       body = {
-        :name => @name,
-        :lights => @light_ids,
+        name: @name,
+        lights: @light_ids
       }
 
       uri = URI.parse("http://#{@bridge.ip}/api/#{@client.username}/groups")
@@ -129,7 +127,7 @@ def create!
       response = http.request_post(uri.path, JSON.dump(body))
       json = JSON(response.body)
 
-      @id = json[0]['success']['id']
+      @id = json[0]["success"]["id"]
     end
 
     def destroy!
@@ -137,7 +135,7 @@ def destroy!
       http = Net::HTTP.new(uri.host)
       response = http.delete(uri.path)
       json = JSON(response.body)
-      @id = nil if json[0]['success']
+      @id = nil if json[0]["success"]
     end
 
     def new?
@@ -147,22 +145,22 @@ def new?
     private
 
     GROUP_KEYS_MAP = {
-      :name => :name,
-      :light_ids => :lights,
-      :type => :type,
-      :state => :action
+      name: :name,
+      light_ids: :lights,
+      type: :type,
+      state: :action
     }
 
     STATE_KEYS_MAP = {
-      :on => :on,
-      :brightness => :bri,
-      :hue => :hue,
-      :saturation => :sat,
-      :xy => :xy,
-      :color_temperature => :ct,
-      :alert => :alert,
-      :effect => :effect,
-      :color_mode => :colormode,
+      on: :on,
+      brightness: :bri,
+      hue: :hue,
+      saturation: :sat,
+      xy: :xy,
+      color_temperature: :ct,
+      alert: :alert,
+      effect: :effect,
+      color_mode: :colormode
     }
 
     def unpack(data)
@@ -170,7 +168,7 @@ def unpack(data)
 
       unless new?
         unpack_hash(@state, STATE_KEYS_MAP)
-        @x, @y = @state['xy']
+        @x, @y = @state["xy"]
       end
     end
 
diff --git a/lib/hue/light.rb b/lib/hue/light.rb
index 99bf8384..015a66b2 100644
--- a/lib/hue/light.rb
+++ b/lib/hue/light.rb
@@ -98,21 +98,21 @@ def initialize(client, bridge, id, hash)
     end
 
     def name=(new_name)
-      unless (1..32).include?(new_name.length)
-        raise InvalidValueForParameter, 'name must be between 1 and 32 characters.'
+      unless (1..32).cover?(new_name.length)
+        raise InvalidValueForParameter, "name must be between 1 and 32 characters."
       end
 
       body = {
-        :name => new_name
+        name: new_name
       }
 
       uri = URI.parse(base_url)
       http = Net::HTTP.new(uri.host)
       response = http.request_put(uri.path, JSON.dump(body))
       response = JSON(response.body).first
-      if response['success']
+      if response["success"]
         @name = new_name
-      # else
+        # else
         # TODO: Error
       end
     end
@@ -121,7 +121,7 @@ def name=(new_name)
     # always returns true, functionality will be added in a future
     # patch.
     def reachable?
-      @state['reachable']
+      @state["reachable"]
     end
 
     # @param transition The duration of the transition from the light’s current
@@ -132,7 +132,7 @@ def set_state(attributes, transition = nil)
       body = translate_keys(attributes, STATE_KEYS_MAP)
 
       # Add transition
-      body.merge!({:transitiontime => transition}) if transition
+      body[:transitiontime] = transition if transition
 
       uri = URI.parse("#{base_url}/state")
       http = Net::HTTP.new(uri.host)
@@ -146,37 +146,37 @@ def refresh
       unpack(json)
     end
 
-  private
+    private
 
     KEYS_MAP = {
-      :state => :state,
-      :type => :type,
-      :name => :name,
-      :model => :modelid,
-      :software_version => :swversion,
-      :point_symbol => :pointsymbol,
-      :uid => :uniqueid,
-      :capabilities => :capabilities,
-      :config => :config
+      state: :state,
+      type: :type,
+      name: :name,
+      model: :modelid,
+      software_version: :swversion,
+      point_symbol: :pointsymbol,
+      uid: :uniqueid,
+      capabilities: :capabilities,
+      config: :config
     }
 
     STATE_KEYS_MAP = {
-      :on => :on,
-      :brightness => :bri,
-      :hue => :hue,
-      :saturation => :sat,
-      :xy => :xy,
-      :color_temperature => :ct,
-      :alert => :alert,
-      :effect => :effect,
-      :color_mode => :colormode,
-      :reachable => :reachable,
+      on: :on,
+      brightness: :bri,
+      hue: :hue,
+      saturation: :sat,
+      xy: :xy,
+      color_temperature: :ct,
+      alert: :alert,
+      effect: :effect,
+      color_mode: :colormode,
+      reachable: :reachable
     }
 
     def unpack(hash)
       unpack_hash(hash, KEYS_MAP)
       unpack_hash(@state, STATE_KEYS_MAP)
-      @x, @y = @state['xy']
+      @x, @y = @state["xy"]
     end
 
     def base_url
diff --git a/lib/hue/scene.rb b/lib/hue/scene.rb
index 65dc98f5..daf10c31 100644
--- a/lib/hue/scene.rb
+++ b/lib/hue/scene.rb
@@ -24,19 +24,17 @@ def initialize(client, bridge, id, data)
     end
 
     def lights
-      @lights ||= begin
-        @light_ids.map do |light_id|
-          @client.light(light_id)
-        end
+      @lights ||= @light_ids.map do |light_id|
+        @client.light(light_id)
       end
     end
 
     private
 
     SCENE_KEYS_MAP = {
-      :name => :name,
-      :light_ids => :lights,
-      :active => :active,
+      name: :name,
+      light_ids: :lights,
+      active: :active
     }
 
     def unpack(data)
diff --git a/lib/hue/translate_keys.rb b/lib/hue/translate_keys.rb
index 886375af..027da2e6 100644
--- a/lib/hue/translate_keys.rb
+++ b/lib/hue/translate_keys.rb
@@ -14,7 +14,7 @@ def unpack_hash(hash, map)
       map.each do |local_key, remote_key|
         value = hash[remote_key.to_s]
         next unless value
-        instance_variable_set("@#{local_key}", value)
+        instance_variable_set(:"@#{local_key}", value)
       end
     end
   end
diff --git a/lib/hue/version.rb b/lib/hue/version.rb
index 809b6090..bf2c407e 100644
--- a/lib/hue/version.rb
+++ b/lib/hue/version.rb
@@ -1,3 +1,3 @@
 module Hue
-  VERSION = '0.3.0'
+  VERSION = "0.3.0"
 end
diff --git a/test/hue/client_test.rb b/test/hue/client_test.rb
index 678a7255..05df4ee7 100644
--- a/test/hue/client_test.rb
+++ b/test/hue/client_test.rb
@@ -1,25 +1,26 @@
-require 'test_helper'
+require "test_helper"
 
 class ClientTest < Minitest::Test
   def before_setup
     super
 
-    stub_request(:get, "https://discovery.meethue.com/").
-      to_return(:body => '[{"id":"ffa57b3b257200065704","internalipaddress":"192.168.0.1"},{"id":"63c2fc01391276a319f9","internalipaddress":"192.168.0.2"}]')
+    stub_request(:get, "https://discovery.meethue.com/")
+      .to_return(body: '[{"id":"ffa57b3b257200065704","internalipaddress":"192.168.0.1"},{"id":"63c2fc01391276a319f9","internalipaddress":"192.168.0.2"}]')
 
-    stub_request(:get, %r{http://192.168.0.1/api/*}).to_return(:body => '[{"success":true}]')
-    stub_request(:get, %r{http://192.168.0.2/api/*}).to_return(:body => '[{"success":true}]')
+    stub_request(:get, %r{http://192.168.0.1/api}).to_return(body: '[{"success":true}]')
+    stub_request(:get, %r{http://192.168.0.1/api/*}).to_return(body: '[{"success":true}]')
+    stub_request(:get, %r{http://192.168.0.2/api/*}).to_return(body: '[{"success":true}]')
   end
 
   def test_with_bridge_id
     client = Hue::Client.new(use_mdns: false)
-    client.stub :find_bridge_id, '63c2fc01391276a319f9' do
-      assert_equal '63c2fc01391276a319f9', client.bridge.id
+    client.stub :find_bridge_id, "63c2fc01391276a319f9" do
+      assert_equal "63c2fc01391276a319f9", client.bridge.id
     end
   end
 
   def test_without_bridge_id
     client = Hue::Client.new(use_mdns: false)
-    assert_equal 'ffa57b3b257200065704', client.bridge.id
+    assert_equal "ffa57b3b257200065704", client.bridge.id
   end
 end
diff --git a/test/hue/light_test.rb b/test/hue/light_test.rb
index 7d03b0b6..7910da1d 100644
--- a/test/hue/light_test.rb
+++ b/test/hue/light_test.rb
@@ -1,23 +1,23 @@
-require 'test_helper'
+require "test_helper"
 
 class LightTest < Minitest::Test
   def before_setup
     super
 
-    stub_request(:get, "https://discovery.meethue.com/").
-      to_return(:body => '[{"internalipaddress":"localhost"}]')
+    stub_request(:get, "https://discovery.meethue.com/")
+      .to_return(body: '[{"internalipaddress":"localhost"}]')
 
-    stub_request(:get, %r{http://localhost/api/*}).to_return(:body => '[{"success":true}]')
-    stub_request(:post, 'http://localhost/api').to_return(:body => '[{"success":{"username":"ruby"}}]')
-    stub_request(:put, %r{http://localhost/api*}).to_return(:body => '[{}]')
+    stub_request(:get, %r{http://localhost/api/*}).to_return(body: '[{"success":true}]')
+    stub_request(:post, "http://localhost/api").to_return(body: '[{"success":{"username":"ruby"}}]')
+    stub_request(:put, %r{http://localhost/api*}).to_return(body: "[{}]")
   end
 
-  %w{on hue saturation brightness color_temperature alert effect}.each do |attribute|
-    define_method "test_setting_#{attribute}" do
+  %w[on hue saturation brightness color_temperature alert effect].each do |attribute|
+    define_method :"test_setting_#{attribute}" do
       client = Hue::Client.new(use_mdns: false)
       light = Hue::Light.new(client, client.bridge, 0, {"state" => {}})
 
-      light.send("#{attribute}=", 24)
+      light.send(:"#{attribute}=", 24)
       assert_requested :put, %r{http://localhost/api/.*/lights/0}
     end
   end
@@ -34,7 +34,7 @@ def test_toggle_while_off
 
   def test_toggle_while_on
     client = Hue::Client.new(use_mdns: false)
-    light = Hue::Light.new(client, client.bridge, 0, {"state" => {'on' => true}})
+    light = Hue::Light.new(client, client.bridge, 0, {"state" => {"on" => true}})
     assert_equal true, light.on?
 
     light.toggle!
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 41e290db..e6234d32 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,6 +1,6 @@
-$LOAD_PATH.unshift File.expand_path('../../lib', __FILE__)
-require 'hue'
+$LOAD_PATH.unshift File.expand_path("../../lib", __FILE__)
+require "hue"
 
-require 'minitest'
-require 'webmock/minitest'
-require 'minitest/autorun'
+require "minitest"
+require "webmock/minitest"
+require "minitest/autorun"