diff --git a/.travis.yml b/.travis.yml
index 47bbafbde..a74a2d2a6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,8 @@ language: ruby
 rvm:
   - 1.9.3
   - 2.0.0
-  - 2.1.1
+  - 2.1.7
+  - 2.2.3
 gemfile:
   - Gemfile.rails32
   - Gemfile.rails40
diff --git a/Gemfile.rails32 b/Gemfile.rails32
index 1df150e0f..808c331ef 100644
--- a/Gemfile.rails32
+++ b/Gemfile.rails32
@@ -3,3 +3,4 @@ source "https://rubygems.org"
 gemspec
 
 gem 'rails', '~> 3.2.0'
+gem 'test-unit', '~> 3.0'
diff --git a/apipie-rails.gemspec b/apipie-rails.gemspec
index 75cfe4e37..105dfe7ff 100644
--- a/apipie-rails.gemspec
+++ b/apipie-rails.gemspec
@@ -16,7 +16,7 @@ Gem::Specification.new do |s|
   s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
   s.require_paths = ["lib"]
 
-  s.add_development_dependency "rails", ">= 3.0.10"
+  s.add_development_dependency "rails", ">= 3.0.20"
   s.add_dependency 'json'
   s.add_development_dependency "rspec-rails", "~> 3.0"
   s.add_development_dependency "sqlite3"