diff --git a/Gemfile b/Gemfile
index c9c55ca..57056ed 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,5 @@
 source 'http://rubygems.org'
 
-ruby '2.3.3'
-
 gemspec
 
 gem 'rails', '~> 4.2.8'
diff --git a/gemfiles/rails_4_0.gemfile b/gemfiles/rails_4_0.gemfile
index e6f914e..9ef5cde 100644
--- a/gemfiles/rails_4_0.gemfile
+++ b/gemfiles/rails_4_0.gemfile
@@ -2,18 +2,17 @@
 
 source "http://rubygems.org"
 
-gem "rails", "~> 4.0.0"
-gem "rspec", "~> 3.0.0"
-gem "rspec-rails", "~> 3.0.0"
+gem "rails", "~> 4.0.13"
+gem "rspec", "~> 3.6.0"
+gem "rspec-rails", "~> 3.6.0"
 gem "timecop"
-gem "rspec_tag_matchers"
 gem "byebug"
 gem "appraisal"
 gem "sqlite3"
 gem "nokogiri", "1.6.7"
 
 group :active_record do
-  gem "sqlite3-ruby", :require => "sqlite3"
+  gem "sqlite3-ruby", require: "sqlite3"
 end
 
-gemspec :path => "../"
+gemspec path: "../"
diff --git a/gemfiles/rails_4_1.gemfile b/gemfiles/rails_4_1.gemfile
index c78b210..27948f8 100644
--- a/gemfiles/rails_4_1.gemfile
+++ b/gemfiles/rails_4_1.gemfile
@@ -2,18 +2,17 @@
 
 source "http://rubygems.org"
 
-gem "rails", "~> 4.1.0"
-gem "rspec", "~> 3.0.0"
-gem "rspec-rails", "~> 3.0.0"
+gem "rails", "~> 4.1.14"
+gem "rspec", "~> 3.6.0"
+gem "rspec-rails", "~> 3.6.0"
 gem "timecop"
-gem "rspec_tag_matchers"
 gem "byebug"
 gem "appraisal"
 gem "sqlite3"
 gem "nokogiri", "1.6.7"
 
 group :active_record do
-  gem "sqlite3-ruby", :require => "sqlite3"
+  gem "sqlite3-ruby", require: "sqlite3"
 end
 
-gemspec :path => "../"
+gemspec path: "../"
diff --git a/gemfiles/rails_4_2.gemfile b/gemfiles/rails_4_2.gemfile
index f6839f5..95fc89d 100644
--- a/gemfiles/rails_4_2.gemfile
+++ b/gemfiles/rails_4_2.gemfile
@@ -2,18 +2,17 @@
 
 source "http://rubygems.org"
 
-gem "rails", "~> 4.2.0"
-gem "rspec", "~> 3.0.0"
-gem "rspec-rails", "~> 3.0.0"
+gem "rails", "~> 4.2.8"
+gem "rspec", "~> 3.6.0"
+gem "rspec-rails", "~> 3.6.0"
 gem "timecop"
-gem "rspec_tag_matchers"
 gem "byebug"
 gem "appraisal"
 gem "sqlite3"
 gem "nokogiri", "1.6.7"
 
 group :active_record do
-  gem "sqlite3-ruby", :require => "sqlite3"
+  gem "sqlite3-ruby", require: "sqlite3"
 end
 
-gemspec :path => "../"
+gemspec path: "../"