diff --git a/.travis.yml b/.travis.yml
index b1a149d..09f9590 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,8 @@ rvm:
   - 1.9.3
   - 2.0.0
   - 2.1
+  - 2.2
+  - 2.3.0
   - ruby-head
 
 sudo: false
diff --git a/Gemfile b/Gemfile
index 1bf80a7..4d42d75 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,7 +13,7 @@ gem "pry-byebug", platforms: [:ruby_21, :ruby_22]
 gem "rake"
 gem "rb-fsevent"
 gem "rspec", "~> 3.3"
-gem "rubocop", "0.34"
+gem "rubocop", "~> 0.34"
 gem "sinatra"
 gem "vcr"
 gem "webmock"
diff --git a/Rakefile b/Rakefile
index b281138..a2b1429 100644
--- a/Rakefile
+++ b/Rakefile
@@ -18,12 +18,9 @@ namespace :doc do
     begin
       require "yard"
     rescue LoadError => e
-      if e.message =~ /yard/
-        warn "Please install `gem install yard` first"
-        exit
-      else
-        raise e
-      end
+      raise e unless e.message =~ /yard/
+      warn "Please install `gem install yard` first"
+      exit
     end
 
     require "fileutils"
diff --git a/lib/tacokit/client.rb b/lib/tacokit/client.rb
index fafd39d..bf041cb 100644
--- a/lib/tacokit/client.rb
+++ b/lib/tacokit/client.rb
@@ -107,7 +107,7 @@ def request(method, url, data = nil, params = nil)
     def to_s
       "<#{self.class}:#{object_id}>"
     end
-    alias_method :inspect, :to_s
+    alias inspect to_s
 
     private
 
diff --git a/lib/tacokit/client/actions.rb b/lib/tacokit/client/actions.rb
index 0c26f20..d177373 100644
--- a/lib/tacokit/client/actions.rb
+++ b/lib/tacokit/client/actions.rb
@@ -86,7 +86,7 @@ def update_action(action_id, options = {})
       def update_action_text(action_id, text)
         put action_path(action_id, "text"), value: text
       end
-      alias_method :edit_action_text, :update_action_text
+      alias edit_action_text update_action_text
 
       # Delete an action
       # @param action_id [String] the action identifier
diff --git a/lib/tacokit/client/boards.rb b/lib/tacokit/client/boards.rb
index c6f6813..688edd8 100644
--- a/lib/tacokit/client/boards.rb
+++ b/lib/tacokit/client/boards.rb
@@ -101,7 +101,7 @@ def board_labels(board_id, options = {})
       def lists(board_id, options = {})
         board_resource(board_id, "lists", options)
       end
-      alias_method :board_lists, :lists
+      alias board_lists lists
 
       # Retrieve a board's members
       # @param board_id [String, Tacokit::Resource<Board>] the board identifier or board
diff --git a/lib/tacokit/client/cards.rb b/lib/tacokit/client/cards.rb
index 6097a3e..d34d94d 100644
--- a/lib/tacokit/client/cards.rb
+++ b/lib/tacokit/client/cards.rb
@@ -40,7 +40,7 @@ def card_actions(card_id, options = {})
       def attachments(card_id, options = {})
         card_resource(card_id, "attachments", options)
       end
-      alias_method :card_attachments, :attachments
+      alias card_attachments attachments
 
       # Retrieve a card attachment
       # @param card_id [String, Tacokit::Resource<Card>] the card identifier, shortlink, or card
@@ -162,7 +162,7 @@ def update_card(card_id, options = {})
       def update_comment(card_id, comment_id, text, options = {})
         update_card_resource(card_id, "actions", resource_id(comment_id), "comments", options.merge(text: text))
       end
-      alias_method :edit_comment, :update_comment
+      alias edit_comment update_comment
 
       # Update checklist item text, position or state
       # @param card_id [String, Tacokit::Resource<Card>] the card identifier, shortlink, or card
@@ -274,7 +274,7 @@ def add_comment(card_id, text, options = {})
         options.update text: text
         create_card_resource card_id, "actions", "comments", options
       end
-      alias_method :create_card_comment, :add_comment
+      alias create_card_comment add_comment
 
       # Attach a file to a card
       # @param card_id [String, Tacokit::Resource<Card>] the card identifier, shortlink, or card
@@ -300,7 +300,7 @@ def attach_file(card_id, url, mime_type = nil, options = {})
 
         create_card_resource card_id, "attachments", options
       end
-      alias_method :create_card_attachment, :attach_file
+      alias create_card_attachment attach_file
 
       # Convert a checklist item to a card
       # @param card_id [String, Tacokit::Resource<Card>] the card identifier, shortlink, or card
@@ -327,7 +327,7 @@ def convert_to_card(card_id, checklist_id, check_item_id)
       def add_checklist(card_id, name)
         create_card_resource(card_id, "checklists", name: name)
       end
-      alias_method :start_checklist, :add_checklist
+      alias start_checklist add_checklist
 
       # Copy another checklist to card
       # @param card_id [String, Tacokit::Resource<Card>] the destination card identifier, shortlink, or card
@@ -376,7 +376,7 @@ def add_label(card_id, color, options = {})
       def vote(card_id, member_id)
         create_card_resource(card_id, "membersVoted", value: resource_id(member_id))
       end
-      alias_method :create_vote, :vote
+      alias create_vote vote
 
       # Add sticker to card
       # @param card_id [String, Tacokit::Resource<Card>] the card identifier, shortlink, or card
@@ -389,7 +389,7 @@ def add_sticker(card_id, image_name, options = {})
         defaults = { top: 0, left: 0, z_index: 1 }
         create_card_resource(card_id, "stickers", defaults.merge(options.merge(image: image_name)))
       end
-      alias_method :create_sticker, :add_sticker
+      alias create_sticker add_sticker
 
       # @private
       # Create a card resource
@@ -419,7 +419,7 @@ def delete_card(card_id)
       def remove_comment(card_id, comment_id)
         delete_card_resource card_id, "actions", resource_id(comment_id), "comments"
       end
-      alias_method :delete_comment, :remove_comment
+      alias delete_comment remove_comment
 
       # Remove an attachment
       # @param card_id [String, Tacokit::Resource<Card>] the card identifier, shortlink, or card
@@ -432,7 +432,7 @@ def remove_comment(card_id, comment_id)
       def remove_attachment(card_id, attachment_id)
         delete_card_resource card_id, "attachments", resource_id(attachment_id)
       end
-      alias_method :delete_attachement, :remove_attachment
+      alias delete_attachement remove_attachment
 
       # Remove checklist
       # @param card_id [String, Tacokit::Resource<Card>] the card identifier, shortlink, or card
@@ -444,7 +444,7 @@ def remove_attachment(card_id, attachment_id)
       def remove_checklist(card_id, checklist_id)
         delete_card_resource card_id, "checklists", checklist_id
       end
-      alias_method :delete_checklist, :remove_checklist
+      alias delete_checklist remove_checklist
 
       # Remove a member from a card
       # @param card_id [String, Tacokit::Resource<Card>] the card identifier, shortlink, or card
@@ -459,7 +459,7 @@ def remove_checklist(card_id, checklist_id)
       def remove_card_member(card_id, member_id)
         delete_card_resource card_id, "idMembers", resource_id(member_id)
       end
-      alias_method :delete_card_member, :remove_card_member
+      alias delete_card_member remove_card_member
 
       # Remove label from card
       # @param card_id [String, Tacokit::Resource<Card>] the card identifier, shortlink, or card
@@ -470,7 +470,7 @@ def remove_card_member(card_id, member_id)
       def remove_label(card_id, color)
         delete_card_resource card_id, "labels", color
       end
-      alias_method :delete_label, :remove_label
+      alias delete_label remove_label
 
       # Remove a vote from a card
       # @param card_id [String, Tacokit::Resource<Card>] the card identifier, shortlink, or card
@@ -482,7 +482,7 @@ def remove_label(card_id, color)
       def remove_vote(card_id, member_id)
         delete_card_resource card_id, "membersVoted", resource_id(member_id)
       end
-      alias_method :delete_vote, :remove_vote
+      alias delete_vote remove_vote
 
       # Remove a sticker from a card
       # @param card_id [String, Tacokit::Resource<Card>] the card identifier, shortlink, or card
@@ -494,7 +494,7 @@ def remove_vote(card_id, member_id)
       def remove_sticker(card_id, sticker_id)
         delete_card_resource card_id, "stickers", resource_id(sticker_id)
       end
-      alias_method :delete_sticker, :remove_sticker
+      alias delete_sticker remove_sticker
 
       private
 
diff --git a/lib/tacokit/client/checklists.rb b/lib/tacokit/client/checklists.rb
index 24004da..58b3acc 100644
--- a/lib/tacokit/client/checklists.rb
+++ b/lib/tacokit/client/checklists.rb
@@ -36,7 +36,7 @@ def checklist_card(checklist_id, options = {})
       def check_items(checklist_id, options = {})
         checklist_resource checklist_id, "check_items", options
       end
-      alias_method :checklist_check_items, :check_items
+      alias checklist_check_items check_items
 
       # Updates a checklist
       # @param checklist_id [String] the checklist identifier
@@ -45,7 +45,7 @@ def check_items(checklist_id, options = {})
       def update_checklist(checklist_id, options = {})
         put checklist_path(checklist_id), options
       end
-      alias_method :checklist_update, :update_checklist
+      alias checklist_update update_checklist
 
       # Create a checklist
       # @param card_id [String, Tacokit::Resource<Card>] the card identifier, shortlink, or card
@@ -55,7 +55,7 @@ def create_checklist(card_id, name, options = {})
         options.update card_id: card_id, name: name
         post "checklists", options
       end
-      alias_method :checklist_create, :create_checklist
+      alias checklist_create create_checklist
 
       # Add a checklist item to a checklist
       # @param checklist_id [String] the checklist identifier
@@ -64,8 +64,8 @@ def create_checklist(card_id, name, options = {})
       def add_checklist_check_item(checklist_id, name, options = {})
         post checklist_path(checklist_id, "checkItems"), options.merge(name: name)
       end
-      alias_method :checklist_check_item_create, :add_checklist_check_item
-      alias_method :add_checklist_item, :add_checklist_check_item
+      alias checklist_check_item_create add_checklist_check_item
+      alias add_checklist_item add_checklist_check_item
 
       # Delete a checklist
       # @param checklist_id [String] the checklist identifier
@@ -73,7 +73,7 @@ def add_checklist_check_item(checklist_id, name, options = {})
       def delete_checklist(checklist_id)
         delete checklist_path(checklist_id)
       end
-      alias_method :checklist_delete, :delete_checklist
+      alias checklist_delete delete_checklist
 
       private
 
diff --git a/lib/tacokit/client/members.rb b/lib/tacokit/client/members.rb
index 828a320..16c6046 100644
--- a/lib/tacokit/client/members.rb
+++ b/lib/tacokit/client/members.rb
@@ -47,7 +47,7 @@ def actions(username = "me", options = {})
         username, options = extract_member_args(username, options)
         paginated_get member_path(username, "actions"), options
       end
-      alias_method :member_actions, :actions
+      alias member_actions actions
 
       # @overload boards(username = "me", options = {})
       #   Retrieve a member's boards
diff --git a/lib/tacokit/configuration.rb b/lib/tacokit/configuration.rb
index 5c3dbae..64e3ee3 100644
--- a/lib/tacokit/configuration.rb
+++ b/lib/tacokit/configuration.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module Tacokit
   class Configuration
     API_URL = "https://api.trello.com".freeze
@@ -33,7 +34,7 @@ def user_authenticated?
     end
 
     def user_credentials
-      { consumer_key: app_key, token: oauth_token }.delete_if { |k, v| v.nil? }
+      { consumer_key: app_key, consumer_secret: app_secret, token: oauth_token }.delete_if { |k, v| v.nil? }
     end
 
     def app_authenticated?
diff --git a/lib/tacokit/resource.rb b/lib/tacokit/resource.rb
index 489c1ae..c96b979 100644
--- a/lib/tacokit/resource.rb
+++ b/lib/tacokit/resource.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "set"
 require "time"
 require "forwardable"
@@ -10,8 +11,8 @@ class Resource
     SPECIAL_METHODS = Set.new(%w[fields])
     attr_reader :_fields
     attr_reader :attrs
-    alias_method :to_hash, :attrs
-    alias_method :to_h, :attrs
+    alias to_hash attrs
+    alias to_h attrs
 
     def_delegators :@_fields, :fetch, :keys, :any?
 
@@ -43,14 +44,14 @@ def []=(method, value)
     def key?(key)
       @_fields.include?(key)
     end
-    alias_method :has_key?, :key?
-    alias_method :include?, :key?
+    alias has_key? key?
+    alias include? key?
 
     def inspect
       (to_attrs.respond_to?(:pretty_inspect) ? to_attrs.pretty_inspect : to_attrs.inspect)
     end
 
-    alias_method :to_s, :inspect
+    alias to_s inspect
 
     def to_attrs
       hash = attrs.clone
@@ -129,7 +130,7 @@ def getter_missing(attr_name, suffix)
     end
 
     # rubocop:disable Metrics/LineLength
-    ISO8601 = %r{^(-?(?:[1-9][0-9]*)?[0-9]{4})-(1[0-2]|0[1-9])-(3[01]|0[1-9]|[12][0-9])T(2[0-3]|[01][0-9]):([0-5][0-9]):([0-5][0-9])(\.[0-9]+)?(Z|[+-](?:2[0-3]|[01][0-9]):[0-5][0-9])?$}.freeze
+    ISO8601 = %r{^(-?(?:[1-9][0-9]*)?[0-9]{4})-(1[0-2]|0[1-9])-(3[01]|0[1-9]|[12][0-9])T(2[0-3]|[01][0-9]):([0-5][0-9]):([0-5][0-9])(\.[0-9]+)?(Z|[+-](?:2[0-3]|[01][0-9]):[0-5][0-9])?$}
     # rubocop:enable Metrics/LineLength
     def cast_value_type(value)
       case value
diff --git a/lib/tacokit/utils.rb b/lib/tacokit/utils.rb
index 53bafc6..805149e 100644
--- a/lib/tacokit/utils.rb
+++ b/lib/tacokit/utils.rb
@@ -37,7 +37,7 @@ def present?(obj)
     def camel_path(path)
       camelize(path.to_s, :lower)
     end
-    alias_method :camp, :camel_path
+    alias camp camel_path
 
     def camel_join(*paths)
       path_join paths.map { |p| camel_path(p) }
diff --git a/lib/tacokit/version.rb b/lib/tacokit/version.rb
index d5a22c6..4e2f3bb 100644
--- a/lib/tacokit/version.rb
+++ b/lib/tacokit/version.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module Tacokit
-  VERSION = "0.3.1"
+  VERSION = "0.3.1".freeze
 end