diff --git a/.rubocop.yml b/.rubocop.yml
index f6d5d06..b9466cc 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -45,9 +45,6 @@ Style/EachWithObject:
 Style/Encoding:
   Enabled: false
 
-Style/HashSyntax:
-  EnforcedStyle: hash_rockets
-
 Style/Lambda:
   Enabled: false
 
diff --git a/Gemfile b/Gemfile
index d86ec37..c6dc900 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,10 +3,10 @@ source 'https://rubygems.org'
 gem 'rake'
 gem 'yard'
 
-gem 'libxml-ruby', :require => nil, :platforms => :ruby
-gem 'nokogiri', :require => nil
-gem 'oga', '>= 2.3', :require => nil
-gem 'ox', :require => nil, :platforms => :ruby
+gem 'libxml-ruby', require: nil, platforms: :ruby
+gem 'nokogiri', require: nil
+gem 'oga', '>= 2.3', require: nil
+gem 'ox', require: nil, platforms: :ruby
 
 group :development do
   gem 'kramdown'
diff --git a/Rakefile b/Rakefile
index d52e584..93277bc 100644
--- a/Rakefile
+++ b/Rakefile
@@ -4,7 +4,7 @@ Bundler::GemHelper.install_tasks
 require 'rspec/core/rake_task'
 RSpec::Core::RakeTask.new(:spec)
 
-task :test => :spec
+task test: :spec
 
 require 'rubocop/rake_task'
 RuboCop::RakeTask.new
@@ -30,4 +30,4 @@ Yardstick::Rake::Verify.new do |verify|
   verify.threshold = 48.8
 end
 
-task :default => [:spec, :rubocop, :verify_measurements]
+task default: [:spec, :rubocop, :verify_measurements]
diff --git a/lib/multi_xml.rb b/lib/multi_xml.rb
index d2865f9..2e9ebeb 100644
--- a/lib/multi_xml.rb
+++ b/lib/multi_xml.rb
@@ -67,9 +67,9 @@ def initialize(type)
   DISALLOWED_XML_TYPES = %w(symbol yaml).freeze
 
   DEFAULT_OPTIONS = {
-    :typecast_xml_value => true,
-    :disallowed_types => DISALLOWED_XML_TYPES,
-    :symbolize_keys => false,
+    typecast_xml_value: true,
+    disallowed_types: DISALLOWED_XML_TYPES,
+    symbolize_keys: false,
   }.freeze
 
   class << self
diff --git a/lib/multi_xml/parsers/ox.rb b/lib/multi_xml/parsers/ox.rb
index 9589cd2..74a6640 100644
--- a/lib/multi_xml/parsers/ox.rb
+++ b/lib/multi_xml/parsers/ox.rb
@@ -29,7 +29,7 @@ def parse_error
 
       def parse(io)
         handler = Handler.new
-        ::Ox.sax_parse(handler, io, :convert_special => true)
+        ::Ox.sax_parse(handler, io, convert_special: true)
         handler.doc
       end
 
diff --git a/lib/multi_xml/version.rb b/lib/multi_xml/version.rb
index 10f916d..823f9a9 100644
--- a/lib/multi_xml/version.rb
+++ b/lib/multi_xml/version.rb
@@ -25,10 +25,10 @@ def pre
     # @return [Hash]
     def to_h
       {
-        :major => major,
-        :minor => minor,
-        :patch => patch,
-        :pre => pre,
+        major: major,
+        minor: minor,
+        patch: patch,
+        pre: pre,
       }
     end
 
diff --git a/spec/parser_shared_example.rb b/spec/parser_shared_example.rb
index ce017b4..837dfb0 100644
--- a/spec/parser_shared_example.rb
+++ b/spec/parser_shared_example.rb
@@ -138,7 +138,7 @@
 
         context 'with :typecast_xml_value => false' do
           before do
-            @setting = MultiXml.parse(@xml, :typecast_xml_value => false)['global_settings']['group']['setting']
+            @setting = MultiXml.parse(@xml, typecast_xml_value: false)['global_settings']['group']['setting']
           end
 
           it { expect(@setting).to eq('type' => 'string', 'description' => {'__content__' => 'Test'}) }
@@ -151,7 +151,7 @@
         end
 
         it 'symbolizes keys' do
-          expect(MultiXml.parse(@xml, :symbolize_keys => true)).to eq(:users => {:user => [{:name => 'Erik Michaels-Ober'}, {:name => 'Wynn Netherland'}]})
+          expect(MultiXml.parse(@xml, symbolize_keys: true)).to eq(users: {user: [{name: 'Erik Michaels-Ober'}, {name: 'Wynn Netherland'}]})
         end
       end
 
@@ -332,7 +332,7 @@
         end
 
         it 'returns the correctly parsed YAML when the type is allowed' do
-          expect(MultiXml.parse(@xml, :disallowed_types => [])['tag']).to eq(:message => 'Have a nice day', 1 => 'returns an integer', 'array' => [{'has-dashes' => true, 'has_underscores' => true}])
+          expect(MultiXml.parse(@xml, disallowed_types: [])['tag']).to eq(:message => 'Have a nice day', 1 => 'returns an integer', 'array' => [{'has-dashes' => true, 'has_underscores' => true}])
         end
       end
 
@@ -346,7 +346,7 @@
         end
 
         it 'returns the correctly parsed Symbol when the type is allowed' do
-          expect(MultiXml.parse(@xml, :disallowed_types => [])['tag']).to eq(:my_symbol)
+          expect(MultiXml.parse(@xml, disallowed_types: [])['tag']).to eq(:my_symbol)
         end
       end
 
@@ -459,7 +459,7 @@
           end
 
           it 'returns nil when the type is allowed' do
-            expect(MultiXml.parse(@xml, :disallowed_types => [])['tag']).to be nil
+            expect(MultiXml.parse(@xml, disallowed_types: [])['tag']).to be nil
           end
         end
       end