diff --git a/.travis.yml b/.travis.yml
index 8441ab9..fbadfb0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -41,6 +41,10 @@ matrix:
       gemfile: gemfiles/rails_3.2.gemfile
     - rvm: jruby-9.1.12.0
       gemfile: gemfiles/rails_5.0.gemfile
+    - rvm: jruby-9.1.12.0
+      gemfile: gemfiles/rails_4.2_nobrainer.gemfile
+    - rvm: jruby-9.1.12.0
+      gemfile: gemfiles/rails_5.0_nobrainer.gemfile
 
 notifications:
   slack:
diff --git a/Appraisals b/Appraisals
index b8b95ce..7b7d7c4 100644
--- a/Appraisals
+++ b/Appraisals
@@ -33,7 +33,6 @@ end
 appraise 'rails_4.2_nobrainer' do
   gem 'rails', '4.2.5'
   gem 'nobrainer', '~> 0.33.0'
-  gem 'activerecord-jdbcsqlite3-adapter', '1.3.24', platforms: :jruby
 end
 
 appraise 'rails_4.2_mongoid_5' do
diff --git a/gemfiles/rails_3.2.gemfile b/gemfiles/rails_3.2.gemfile
index ec91329..2608b52 100644
--- a/gemfiles/rails_3.2.gemfile
+++ b/gemfiles/rails_3.2.gemfile
@@ -3,8 +3,8 @@
 source "https://rubygems.org"
 
 gem "sqlite3", platforms: :ruby
-gem "rails", "~>3.2.22"
-gem "mongoid", "~>3.1"
+gem "rails", "~> 3.2.22"
+gem "mongoid", "~> 3.1"
 gem "sequel"
 gem "bson_ext", platforms: :ruby
 gem "test-unit", "~> 3.0"
diff --git a/gemfiles/rails_4.0.gemfile b/gemfiles/rails_4.0.gemfile
index 58cbbec..8f4b14b 100644
--- a/gemfiles/rails_4.0.gemfile
+++ b/gemfiles/rails_4.0.gemfile
@@ -5,10 +5,10 @@ source "https://rubygems.org"
 gem "sqlite3", platforms: :ruby
 gem "rails", "4.0.13"
 gem "mime-types", "~> 2", platforms: [:ruby_19, :jruby]
-gem "mongoid", "~>4.0"
+gem "mongoid", "~> 4.0"
 gem "sequel"
 gem "dynamoid", "~> 1", platforms: :ruby
-gem "aws-sdk", "~>2", platforms: :ruby
+gem "aws-sdk", "~> 2", platforms: :ruby
 gem "redis-objects"
 gem "activerecord-jdbcsqlite3-adapter", "1.3.24", platforms: :jruby
 
diff --git a/gemfiles/rails_4.2.gemfile b/gemfiles/rails_4.2.gemfile
index 27de040..a099605 100644
--- a/gemfiles/rails_4.2.gemfile
+++ b/gemfiles/rails_4.2.gemfile
@@ -6,10 +6,10 @@ 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 "mongoid", "~>4.0"
+gem "mongoid", "~> 4.0"
 gem "sequel"
 gem "dynamoid", "~> 1", platforms: :ruby
-gem "aws-sdk", "~>2", platforms: :ruby
+gem "aws-sdk", "~> 2", platforms: :ruby
 gem "redis-objects"
 gem "activerecord-jdbcsqlite3-adapter", "1.3.24", platforms: :jruby
 
diff --git a/gemfiles/rails_4.2_mongoid_5.gemfile b/gemfiles/rails_4.2_mongoid_5.gemfile
index 809389b..117ca2a 100644
--- a/gemfiles/rails_4.2_mongoid_5.gemfile
+++ b/gemfiles/rails_4.2_mongoid_5.gemfile
@@ -5,7 +5,7 @@ source "https://rubygems.org"
 gem "sqlite3", platforms: :ruby
 gem "rails", "4.2.5"
 gem "mime-types", "~> 2", platforms: [:ruby_19, :jruby]
-gem "mongoid", "~>5.0"
+gem "mongoid", "~> 5.0"
 gem "activerecord-jdbcsqlite3-adapter", "1.3.24", platforms: :jruby
 
 gemspec path: "../"
diff --git a/gemfiles/rails_4.2_nobrainer.gemfile b/gemfiles/rails_4.2_nobrainer.gemfile
index 9e98000..f9292fc 100644
--- a/gemfiles/rails_4.2_nobrainer.gemfile
+++ b/gemfiles/rails_4.2_nobrainer.gemfile
@@ -3,7 +3,7 @@
 source "https://rubygems.org"
 
 gem "sqlite3", platforms: :ruby
-gem "rails", "5.1.3"
-gem "nobrainer", "~>0.33.0"
+gem "rails", "4.2.5"
+gem "nobrainer", "~> 0.33.0"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_5.0.gemfile b/gemfiles/rails_5.0.gemfile
index d5c85d6..ecd9acb 100644
--- a/gemfiles/rails_5.0.gemfile
+++ b/gemfiles/rails_5.0.gemfile
@@ -4,10 +4,10 @@ source "https://rubygems.org"
 
 gem "sqlite3", platforms: :ruby
 gem "rails", "5.0.0"
-gem "mongoid", "~>6.0"
+gem "mongoid", "~> 6.0"
 gem "sequel"
 gem "dynamoid", "~> 1", platforms: :ruby
-gem "aws-sdk", "~>2", platforms: :ruby
+gem "aws-sdk", "~> 2", platforms: :ruby
 gem "redis-objects"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_5.0_nobrainer.gemfile b/gemfiles/rails_5.0_nobrainer.gemfile
index 9e98000..046a0e3 100644
--- a/gemfiles/rails_5.0_nobrainer.gemfile
+++ b/gemfiles/rails_5.0_nobrainer.gemfile
@@ -3,7 +3,7 @@
 source "https://rubygems.org"
 
 gem "sqlite3", platforms: :ruby
-gem "rails", "5.1.3"
-gem "nobrainer", "~>0.33.0"
+gem "rails", "5.0.0"
+gem "nobrainer", "~> 0.33.0"
 
 gemspec path: "../"