diff --git a/Appraisals b/Appraisals
index 817af44..cf6a3cb 100644
--- a/Appraisals
+++ b/Appraisals
@@ -4,6 +4,7 @@ appraise 'rails_3.2' do
   gem 'sequel'
   gem 'bson_ext',                         :platforms => :ruby
   gem 'test-unit', '~> 3.0'
+  gem 'activerecord-jdbcsqlite3-adapter', '1.3.24', :platforms => :jruby
 end
 
 appraise 'rails_4.0' do
@@ -14,6 +15,7 @@ appraise 'rails_4.0' do
   gem 'dynamoid', '~> 1',                 :platforms => :ruby
   gem 'aws-sdk', '~>2',                   :platforms => :ruby
   gem 'redis-objects'
+  gem 'activerecord-jdbcsqlite3-adapter', '1.3.24', :platforms => :jruby
 end
 
 appraise 'rails_4.2' do
@@ -25,12 +27,14 @@ appraise 'rails_4.2' do
   gem 'dynamoid', '~> 1',                 :platforms => :ruby
   gem 'aws-sdk', '~>2',                   :platforms => :ruby
   gem 'redis-objects'
+  gem 'activerecord-jdbcsqlite3-adapter', '1.3.24', :platforms => :jruby
 end
 
 appraise 'rails_4.2_mongoid_5' do
   gem 'mime-types', '~> 2',               :platforms => [:ruby_19, :jruby]
   gem 'rails', '4.2.5'
   gem 'mongoid', '~>5.0'
+  gem 'activerecord-jdbcsqlite3-adapter', '1.3.24', :platforms => :jruby
 end
 
 appraise 'rails_5.0' do
diff --git a/Gemfile b/Gemfile
index 016f1b1..db9dc15 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,5 @@ source "https://rubygems.org"
 
 gemspec
 
-gem 'sqlite3'
-gem 'activerecord-jdbcsqlite3-adapter', :platforms => :jruby
+gem 'sqlite3',                          :platforms => :ruby
 gem 'rails', '5.1.3'
-gem 'jdbc-sqlite3',                     :platforms => :jruby
diff --git a/gemfiles/rails_3.2.gemfile b/gemfiles/rails_3.2.gemfile
index 93b3742..ec91329 100644
--- a/gemfiles/rails_3.2.gemfile
+++ b/gemfiles/rails_3.2.gemfile
@@ -2,12 +2,12 @@
 
 source "https://rubygems.org"
 
-gem "sqlite3", :platforms => :ruby
-gem "activerecord-jdbcsqlite3-adapter", :platforms => :jruby
+gem "sqlite3", platforms: :ruby
 gem "rails", "~>3.2.22"
 gem "mongoid", "~>3.1"
 gem "sequel"
-gem "bson_ext", :platforms => :ruby
+gem "bson_ext", platforms: :ruby
 gem "test-unit", "~> 3.0"
+gem "activerecord-jdbcsqlite3-adapter", "1.3.24", platforms: :jruby
 
-gemspec :path => "../"
+gemspec path: "../"
diff --git a/gemfiles/rails_4.0.gemfile b/gemfiles/rails_4.0.gemfile
index c429e20..58cbbec 100644
--- a/gemfiles/rails_4.0.gemfile
+++ b/gemfiles/rails_4.0.gemfile
@@ -2,14 +2,14 @@
 
 source "https://rubygems.org"
 
-gem "sqlite3", :platforms => :ruby
-gem "activerecord-jdbcsqlite3-adapter", :platforms => :jruby
+gem "sqlite3", platforms: :ruby
 gem "rails", "4.0.13"
-gem "mime-types", "~> 2", :platforms => [:ruby_19, :jruby]
+gem "mime-types", "~> 2", platforms: [:ruby_19, :jruby]
 gem "mongoid", "~>4.0"
 gem "sequel"
-gem "dynamoid", "~> 1", :platforms => :ruby
-gem "aws-sdk", "~>2", :platforms => :ruby
+gem "dynamoid", "~> 1", platforms: :ruby
+gem "aws-sdk", "~>2", platforms: :ruby
 gem "redis-objects"
+gem "activerecord-jdbcsqlite3-adapter", "1.3.24", platforms: :jruby
 
-gemspec :path => "../"
+gemspec path: "../"
diff --git a/gemfiles/rails_4.2.gemfile b/gemfiles/rails_4.2.gemfile
index b39eac4..27de040 100644
--- a/gemfiles/rails_4.2.gemfile
+++ b/gemfiles/rails_4.2.gemfile
@@ -2,15 +2,15 @@
 
 source "https://rubygems.org"
 
-gem "sqlite3", :platforms => :ruby
-gem "activerecord-jdbcsqlite3-adapter", :platforms => :jruby
+gem "sqlite3", platforms: :ruby
 gem "rails", "4.2.5"
-gem "nokogiri", "1.6.8.1", :platforms => [:ruby_19]
-gem "mime-types", "~> 2", :platforms => [:ruby_19, :jruby]
+gem "nokogiri", "1.6.8.1", platforms: [:ruby_19]
+gem "mime-types", "~> 2", platforms: [:ruby_19, :jruby]
 gem "mongoid", "~>4.0"
 gem "sequel"
-gem "dynamoid", "~> 1", :platforms => :ruby
-gem "aws-sdk", "~>2", :platforms => :ruby
+gem "dynamoid", "~> 1", platforms: :ruby
+gem "aws-sdk", "~>2", platforms: :ruby
 gem "redis-objects"
+gem "activerecord-jdbcsqlite3-adapter", "1.3.24", platforms: :jruby
 
-gemspec :path => "../"
+gemspec path: "../"
diff --git a/gemfiles/rails_4.2_mongoid_5.gemfile b/gemfiles/rails_4.2_mongoid_5.gemfile
index d33fe94..809389b 100644
--- a/gemfiles/rails_4.2_mongoid_5.gemfile
+++ b/gemfiles/rails_4.2_mongoid_5.gemfile
@@ -2,10 +2,10 @@
 
 source "https://rubygems.org"
 
-gem "sqlite3", :platforms => :ruby
-gem "activerecord-jdbcsqlite3-adapter", :platforms => :jruby
+gem "sqlite3", platforms: :ruby
 gem "rails", "4.2.5"
-gem "mime-types", "~> 2", :platforms => [:ruby_19, :jruby]
+gem "mime-types", "~> 2", platforms: [:ruby_19, :jruby]
 gem "mongoid", "~>5.0"
+gem "activerecord-jdbcsqlite3-adapter", "1.3.24", platforms: :jruby
 
-gemspec :path => "../"
+gemspec path: "../"
diff --git a/gemfiles/rails_5.0.gemfile b/gemfiles/rails_5.0.gemfile
index 2afb4f9..d5c85d6 100644
--- a/gemfiles/rails_5.0.gemfile
+++ b/gemfiles/rails_5.0.gemfile
@@ -2,13 +2,12 @@
 
 source "https://rubygems.org"
 
-gem "sqlite3", :platforms => :ruby
-gem "activerecord-jdbcsqlite3-adapter", :platforms => :jruby
+gem "sqlite3", platforms: :ruby
 gem "rails", "5.0.0"
 gem "mongoid", "~>6.0"
 gem "sequel"
-gem "dynamoid", "~> 1", :platforms => :ruby
-gem "aws-sdk", "~>2", :platforms => :ruby
+gem "dynamoid", "~> 1", platforms: :ruby
+gem "aws-sdk", "~>2", platforms: :ruby
 gem "redis-objects"
 
-gemspec :path => "../"
+gemspec path: "../"