diff --git a/.travis.yml b/.travis.yml
index 4b2080a1e37..6edc2c533a8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,11 @@ script: bundle exec rake
 rvm:
   - ree
   - 1.9.2
+  - 1.9.3
 before_install:
   - gem update --system
   - gem --version
+env:
+  - RAILS=3.0.12
+  - RAILS=3.1.4
+  - RAILS=3.2.3
diff --git a/spec/support/detect_rails_version.rb b/spec/support/detect_rails_version.rb
index 5e894b95c9f..6146bb3129f 100644
--- a/spec/support/detect_rails_version.rb
+++ b/spec/support/detect_rails_version.rb
@@ -1,8 +1,6 @@
 # Detects the current version of Rails that is being used
 #
-# You can pass it in as an ENV variable or it will use
-# the current Gemfile.lock to find it
-
+#
 unless defined?(RAILS_VERSION_FILE)
   RAILS_VERSION_FILE = File.expand_path("../../../.rails-version", __FILE__)
 end
@@ -12,16 +10,24 @@
 end
 
 def detect_rails_version
-  detected_version = if File.exists?(RAILS_VERSION_FILE)
+  version = version_from_file || version_from_env || DEFAULT_RAILS_VERSION
+
+  puts "Detected Rails: #{version}" if ENV['DEBUG']
+
+  version
+end
+
+def version_from_file
+  if File.exists?(RAILS_VERSION_FILE)
     version = File.read(RAILS_VERSION_FILE).chomp.strip
-    version != "" ? version : DEFAULT_RAILS_VERSION
-  else
-    DEFAULT_RAILS_VERSION
-  end
+    version = nil if version == ""
 
-  puts "Detected Rails: #{detected_version}" if ENV['DEBUG']
+    version
+  end
+end
 
-  detected_version
+def version_from_env
+  ENV['RAILS']
 end
 
 def write_rails_version(version)
diff --git a/spec/support/rails_template.rb b/spec/support/rails_template.rb
index 0ce46b60161..952bc783d4b 100644
--- a/spec/support/rails_template.rb
+++ b/spec/support/rails_template.rb
@@ -11,6 +11,8 @@
 # Generate some test models
 generate :model, "post title:string body:text published_at:datetime author_id:integer category_id:integer"
 inject_into_file 'app/models/post.rb', "  belongs_to :author, :class_name => 'User'\n  belongs_to :category\n  accepts_nested_attributes_for :author\n", :after => "class Post < ActiveRecord::Base\n"
+# Rails 3.2.3 model generator declare attr_accessible
+inject_into_file 'app/models/post.rb', "  attr_accessible :author\n", :before => "end" if Rails::VERSION::STRING >= '3.2.3'
 generate :model, "user type:string first_name:string last_name:string username:string age:integer"
 inject_into_file 'app/models/user.rb', "  has_many :posts, :foreign_key => 'author_id'\n", :after => "class User < ActiveRecord::Base\n"
 generate :model, "publisher --migration=false --parent=User"
diff --git a/tasks/test.rake b/tasks/test.rake
index 96d16845cd2..ff30d775952 100644
--- a/tasks/test.rake
+++ b/tasks/test.rake
@@ -29,7 +29,7 @@ namespace :test do
 
   desc "Run the full suite against the important versions of rails"
   task :major_supported_rails do
-    run_tests_against "3.0.11", "3.1.3", "3.2.0"
+    run_tests_against "3.0.12", "3.1.4", "3.2.3"
   end
 
   desc "Alias for major_supported_rails"