diff --git a/Rakefile b/Rakefile
index f465724..182ab22 100644
--- a/Rakefile
+++ b/Rakefile
@@ -4,7 +4,7 @@ Bundler::GemHelper.install_tasks
 require 'rake/testtask'
 
 desc 'Default: run unit tests.'
-task :default => :test
+task default: :test
 
 desc 'Run tests.'
 Rake::TestTask.new(:test) do |t|
diff --git a/lib/i18n_alchemy.rb b/lib/i18n_alchemy.rb
index bb339cb..4803fe4 100644
--- a/lib/i18n_alchemy.rb
+++ b/lib/i18n_alchemy.rb
@@ -20,7 +20,7 @@ def localized(attributes = nil)
 
     included do
       class_attribute :localized_methods,
-        :instance_reader => false, :instance_writer => false
+        instance_reader: false, instance_writer: false
       self.localized_methods = {}
     end
 
diff --git a/lib/i18n_alchemy/date_parser.rb b/lib/i18n_alchemy/date_parser.rb
index 77dfd7d..fd9cccc 100644
--- a/lib/i18n_alchemy/date_parser.rb
+++ b/lib/i18n_alchemy/date_parser.rb
@@ -28,7 +28,7 @@ def extract_date(parsed_date)
       end
 
       def i18n_format
-        I18n.t(:default, :scope => [i18n_scope, :formats])
+        I18n.t(:default, scope: [i18n_scope, :formats])
       end
 
       def i18n_scope
diff --git a/lib/i18n_alchemy/numeric_parser.rb b/lib/i18n_alchemy/numeric_parser.rb
index e37fb39..4e855fd 100644
--- a/lib/i18n_alchemy/numeric_parser.rb
+++ b/lib/i18n_alchemy/numeric_parser.rb
@@ -34,7 +34,7 @@ def separator
       end
 
       def translate(key)
-        I18n.t(key, :scope => :"number.format")
+        I18n.t(key, scope: :"number.format")
       end
 
       def valid_for_localization?(value)
diff --git a/test/action_view_test.rb b/test/action_view_test.rb
index e545da4..12e067f 100644
--- a/test/action_view_test.rb
+++ b/test/action_view_test.rb
@@ -5,11 +5,11 @@ class ActionViewTest < I18n::Alchemy::TestCase
   def setup
     @template  = ActionView::Base.respond_to?(:empty) ? ActionView::Base.empty : ActionView::Base.new
     @product   = Product.new(
-      :name         => "Potato",
-      :quantity     => 10,
-      :price        => 1.99,
-      :released_at  => Date.new(2011, 2, 28),
-      :last_sale_at => Time.mktime(2011, 2, 28, 13, 25, 30)
+      name: "Potato",
+      quantity: 10,
+      price: 1.99,
+      released_at: Date.new(2011, 2, 28),
+      last_sale_at: Time.mktime(2011, 2, 28, 13, 25, 30)
     )
     @localized = @product.localized
 
@@ -48,7 +48,7 @@ def assert_same_text_input(attribute, value)
     assert_includes [
       text_input_sorted_attributes(attribute, value),
       text_input_unsorted_attributes(attribute, value)
-    ], @template.text_field(:product, attribute, :object => @localized)
+    ], @template.text_field(:product, attribute, object: @localized)
   end
 
   def text_input_sorted_attributes(attribute_name, value)
diff --git a/test/custom_parsers/my_custom_date_parser.rb b/test/custom_parsers/my_custom_date_parser.rb
index e273709..d4216d4 100644
--- a/test/custom_parsers/my_custom_date_parser.rb
+++ b/test/custom_parsers/my_custom_date_parser.rb
@@ -3,12 +3,12 @@ module MyCustomDateParser
   extend self
 
   def localize(value)
-    I18n.localize value, :format => :custom
+    I18n.localize value, format: :custom
   end
 
   protected
 
   def i18n_format
-    I18n.t(:custom, :scope => [:date, :formats])
+    I18n.t(:custom, scope: [:date, :formats])
   end
 end
diff --git a/test/db/test_schema.rb b/test/db/test_schema.rb
index b257274..d6cacad 100644
--- a/test/db/test_schema.rb
+++ b/test/db/test_schema.rb
@@ -1,6 +1,6 @@
 ActiveRecord::Base.establish_connection(
-  :adapter  => "sqlite3",
-  :database => ":memory:"
+  adapter: "sqlite3",
+  database: ":memory:"
 )
 
 ActiveRecord::Schema.define do
diff --git a/test/i18n_alchemy/proxy/attributes_parsing_test.rb b/test/i18n_alchemy/proxy/attributes_parsing_test.rb
index 8bb3887..6222c4e 100644
--- a/test/i18n_alchemy/proxy/attributes_parsing_test.rb
+++ b/test/i18n_alchemy/proxy/attributes_parsing_test.rb
@@ -4,7 +4,7 @@ class ProxyAttributesParsingTest < I18n::Alchemy::ProxyTestCase
   # Attributes
   def test_initializes_proxy_with_attributes
     @localized = @product.localized(
-      :name => "Banana", :price => "0,99", :released_at => "28/02/2011")
+      name: "Banana", price: "0,99", released_at: "28/02/2011")
 
     assert_equal 0.99, @product.price
     assert_equal "0,99", @localized.price
@@ -14,7 +14,7 @@ def test_initializes_proxy_with_attributes
   end
 
   def test_assign_attributes
-    @localized.assign_attributes(:price => '1,99')
+    @localized.assign_attributes(price: '1,99')
     assert_equal "1,99", @localized.price
   end
 
@@ -31,7 +31,7 @@ def test_assign_attributes_does_not_change_given_attributes_hash
   end
 
   def test_attributes_assignment
-    @localized.attributes = { :price => '1,99' }
+    @localized.attributes = { price: '1,99' }
     assert_equal "1,99", @localized.price
   end
 
@@ -42,7 +42,7 @@ def test_attributes_assignment_does_not_change_given_attributes_hash
   end
 
   def test_update
-    @localized.update(:price => '2,88')
+    @localized.update(price: '2,88')
     assert_equal '2,88', @localized.price
     assert_equal 2.88, @product.reload.price
   end
@@ -54,13 +54,13 @@ def test_update_does_not_change_given_attributes_hash
   end
 
   def test_update_attributes
-    @localized.update_attributes(:price => '2,88')
+    @localized.update_attributes(price: '2,88')
     assert_equal '2,88', @localized.price
     assert_equal 2.88, @product.reload.price
   end
 
   def test_update!
-    @localized.update!(:price => '2,88')
+    @localized.update!(price: '2,88')
     assert_equal '2,88', @localized.price
     assert_equal 2.88, @product.reload.price
   end
@@ -72,7 +72,7 @@ def test_update_bang_does_not_change_given_attributes_hash
   end
 
   def test_update_attributes!
-    @localized.update_attributes!(:price => '2,88')
+    @localized.update_attributes!(price: '2,88')
     assert_equal '2,88', @localized.price
     assert_equal 2.88, @product.reload.price
   end
@@ -85,40 +85,40 @@ def test_update_attribute
 
   # Nested Attributes
   def test_should_assign_for_nested_attributes_for_collection_association
-    @supplier_localized.assign_attributes(:products_attributes => [{:price => '1,99'}, {:price => '2,93'}])
+    @supplier_localized.assign_attributes(products_attributes: [{ price: '1,99' }, { price: '2,93' }])
     assert_equal 2, @supplier_localized.products.size
     assert_equal '1,99', @supplier_localized.products.first.localized.price
     assert_equal '2,93', @supplier_localized.products.last.localized.price
   end
 
   def test_should_assign_for_nested_attributes_passing_a_hash_for_collection_with_unique_keys
-    @supplier_localized.assign_attributes(:products_attributes => {"0" => {:price => '2,93', "_destroy"=>"false"}, "1" => {:price => '2,85', "_destroy" => "false"}})
+    @supplier_localized.assign_attributes(products_attributes: { '0' => { price: '2,93', _destroy: 'false' }, '1' => { price: '2,85', _destroy: 'false' }})
     prices = @supplier.products.map { |p| p.localized.price }.sort
     assert_equal ['2,85', '2,93'], prices
   end
 
   def test_should_assign_for_nested_attributes_for_one_to_one_association
-    @supplier_localized.assign_attributes(:account_attributes => {:account_number => 10, :total_money => '100,87'})
+    @supplier_localized.assign_attributes(account_attributes: { account_number: 10, total_money: '100,87' })
     account = @supplier_localized.account
     assert_equal '10', account.account_number.to_s
     assert_equal '100,87', account.localized.total_money
   end
 
   def test_update_for_nested_attributes
-    @supplier_localized.update(:account_attributes => {:total_money => '99,87'})
+    @supplier_localized.update(account_attributes: { total_money: '99,87' })
     assert_equal '99,87', @supplier_localized.account.localized.total_money
   end
 
   def test_attributes_assignment_for_nested
-    @supplier_localized.attributes = {:account_attributes => {:total_money => '88,12'}}
+    @supplier_localized.attributes = { account_attributes: { total_money: '88,12' }}
     assert_equal '88,12', @supplier_localized.account.localized.total_money
   end
 
   private
 
   def assert_attributes_hash_is_unchanged
-    attributes = { :quantity => 1 }
+    attributes = { quantity: 1 }
     yield attributes
-    assert_equal({ :quantity => 1 }, attributes)
+    assert_equal({ quantity: 1 }, attributes)
   end
 end
diff --git a/test/i18n_alchemy/proxy_test.rb b/test/i18n_alchemy/proxy_test.rb
index 1edfcf0..ff3d9d8 100644
--- a/test/i18n_alchemy/proxy_test.rb
+++ b/test/i18n_alchemy/proxy_test.rb
@@ -3,7 +3,7 @@
 class ProxyTest < I18n::Alchemy::ProxyTestCase
   def test_delegates_orm_methods_to_target_object
     assert @product.new_record?
-    assert @localized.save!(:name => "foo", :price => 1.99)
+    assert @localized.save!(name: "foo", price: 1.99)
     assert !@product.new_record?
   end
 
diff --git a/test/models/product.rb b/test/models/product.rb
index 3732684..c0522b1 100644
--- a/test/models/product.rb
+++ b/test/models/product.rb
@@ -1,9 +1,9 @@
 class Product < ActiveRecord::Base
   include I18n::Alchemy
-  localize :total, :using => :number
-  localize :estimated_delivery_at, :using => :date
-  localize :estimated_last_comission_payment_at, :using => :timestamp
-  localize :released_month, :using => MyCustomDateParser
+  localize :total, using: :number
+  localize :estimated_delivery_at, using: :date
+  localize :estimated_last_comission_payment_at, using: :timestamp
+  localize :released_month, using: MyCustomDateParser
 
   belongs_to :supplier
 
diff --git a/test/models/supplier.rb b/test/models/supplier.rb
index 2aceae0..913e545 100644
--- a/test/models/supplier.rb
+++ b/test/models/supplier.rb
@@ -9,5 +9,5 @@ class Supplier < ActiveRecord::Base
 end
 
 class AnotherSupplier < Supplier
-  localize :created_at, :using => :timestamp
+  localize :created_at, using: :timestamp
 end
\ No newline at end of file
diff --git a/test/models/user.rb b/test/models/user.rb
index 9f5861b..e36ae5f 100644
--- a/test/models/user.rb
+++ b/test/models/user.rb
@@ -2,5 +2,5 @@ class User
   include I18n::Alchemy
   attr_accessor :created_at
 
-  localize :created_at, :using => :date
+  localize :created_at, using: :date
 end