diff --git a/Gemfile b/Gemfile
index f57d852..afbebf4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in kaminari.gemspec
diff --git a/Rakefile b/Rakefile
index d7bfed7..8be2b7d 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,4 +1,5 @@
 # encoding: utf-8
+# frozen_string_literal: true
 
 require 'bundler'
 Bundler::GemHelper.install_tasks
diff --git a/kaminari-actionview/kaminari-actionview.gemspec b/kaminari-actionview/kaminari-actionview.gemspec
index 3324a90..43dffa1 100644
--- a/kaminari-actionview/kaminari-actionview.gemspec
+++ b/kaminari-actionview/kaminari-actionview.gemspec
@@ -1,4 +1,5 @@
 # coding: utf-8
+# frozen_string_literal: true
 lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'kaminari/actionview/version'
diff --git a/kaminari-actionview/lib/kaminari/actionview.rb b/kaminari-actionview/lib/kaminari/actionview.rb
index dca6fc3..f256566 100644
--- a/kaminari-actionview/lib/kaminari/actionview.rb
+++ b/kaminari-actionview/lib/kaminari/actionview.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "kaminari/actionview/version"
 
 ActiveSupport.on_load :action_view do
diff --git a/kaminari-actionview/lib/kaminari/actionview/action_view_extension.rb b/kaminari-actionview/lib/kaminari/actionview/action_view_extension.rb
index be7a7e5..46aa6b8 100644
--- a/kaminari-actionview/lib/kaminari/actionview/action_view_extension.rb
+++ b/kaminari-actionview/lib/kaminari/actionview/action_view_extension.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require 'action_view'
 require 'action_view/log_subscriber'
 require 'action_view/context'
diff --git a/kaminari-actionview/lib/kaminari/actionview/version.rb b/kaminari-actionview/lib/kaminari/actionview/version.rb
index 5fd6b40..f9b3a87 100644
--- a/kaminari-actionview/lib/kaminari/actionview/version.rb
+++ b/kaminari-actionview/lib/kaminari/actionview/version.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module Kaminari
   module Actionview
     VERSION = "0.1.0"
diff --git a/kaminari-activerecord/kaminari-activerecord.gemspec b/kaminari-activerecord/kaminari-activerecord.gemspec
index 9e405dd..a63bed2 100644
--- a/kaminari-activerecord/kaminari-activerecord.gemspec
+++ b/kaminari-activerecord/kaminari-activerecord.gemspec
@@ -1,4 +1,5 @@
 # coding: utf-8
+# frozen_string_literal: true
 lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'kaminari/activerecord/version'
diff --git a/kaminari-activerecord/lib/kaminari/activerecord.rb b/kaminari-activerecord/lib/kaminari/activerecord.rb
index 1f1e16d..86a3513 100644
--- a/kaminari-activerecord/lib/kaminari/activerecord.rb
+++ b/kaminari-activerecord/lib/kaminari/activerecord.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "kaminari/activerecord/version"
 
 ActiveSupport.on_load :active_record do
diff --git a/kaminari-activerecord/lib/kaminari/activerecord/active_record_extension.rb b/kaminari-activerecord/lib/kaminari/activerecord/active_record_extension.rb
index 752ba53..d2ef406 100644
--- a/kaminari-activerecord/lib/kaminari/activerecord/active_record_extension.rb
+++ b/kaminari-activerecord/lib/kaminari/activerecord/active_record_extension.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require 'kaminari/activerecord/active_record_model_extension'
 
 module Kaminari
diff --git a/kaminari-activerecord/lib/kaminari/activerecord/active_record_model_extension.rb b/kaminari-activerecord/lib/kaminari/activerecord/active_record_model_extension.rb
index 7388b48..89d662d 100644
--- a/kaminari-activerecord/lib/kaminari/activerecord/active_record_model_extension.rb
+++ b/kaminari-activerecord/lib/kaminari/activerecord/active_record_model_extension.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require 'kaminari/activerecord/active_record_relation_methods'
 
 module Kaminari
diff --git a/kaminari-activerecord/lib/kaminari/activerecord/active_record_relation_methods.rb b/kaminari-activerecord/lib/kaminari/activerecord/active_record_relation_methods.rb
index 2b434f3..3bc2f85 100644
--- a/kaminari-activerecord/lib/kaminari/activerecord/active_record_relation_methods.rb
+++ b/kaminari-activerecord/lib/kaminari/activerecord/active_record_relation_methods.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module Kaminari
   module ActiveRecordRelationMethods
     def entry_name(options = {})
diff --git a/kaminari-activerecord/lib/kaminari/activerecord/version.rb b/kaminari-activerecord/lib/kaminari/activerecord/version.rb
index c794739..a8fb51c 100644
--- a/kaminari-activerecord/lib/kaminari/activerecord/version.rb
+++ b/kaminari-activerecord/lib/kaminari/activerecord/version.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module Kaminari
   module Activerecord
     VERSION = "0.1.0"
diff --git a/kaminari.gemspec b/kaminari.gemspec
index 80a75ad..1640a01 100644
--- a/kaminari.gemspec
+++ b/kaminari.gemspec
@@ -1,4 +1,5 @@
 # -*- encoding: utf-8 -*-
+# frozen_string_literal: true
 $:.push File.expand_path("../lib", __FILE__)
 require "kaminari/version"
 
diff --git a/lib/kaminari.rb b/lib/kaminari.rb
index 4b9d912..819aee3 100644
--- a/lib/kaminari.rb
+++ b/lib/kaminari.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require 'kaminari/core'
 require 'kaminari/actionview'
 require 'kaminari/activerecord'
diff --git a/lib/kaminari/version.rb b/lib/kaminari/version.rb
index f3308e0..fa348c0 100644
--- a/lib/kaminari/version.rb
+++ b/lib/kaminari/version.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module Kaminari
   VERSION = '1.0.0.alpha'
 end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 5c65dbb..4c244f5 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
 $LOAD_PATH.unshift(File.join(Gem.loaded_specs['kaminari-core'].gem_dir, 'spec'))
 $LOAD_PATH.unshift(File.dirname(__FILE__))