diff --git a/.travis.yml b/.travis.yml
index ff0caa9..57eddcf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,12 @@
 sudo: false
+dist: trusty
 language: ruby
 bundler_args: --without debug
 before_script: bundle exec jekyll --version
 script: bundle exec rake features_with_coveralls
 rvm:
-  - 2.2
-  - 2.1
-  - 2.0
+  - '2.4'
+  - '2.3'
+  - '2.2'
+  - '2.1'
+  - '2.0'
diff --git a/Gemfile b/Gemfile
index ccd96a3..2632d34 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,8 +4,8 @@ gemspec
 
 group :development do
   gem 'rake'
-  gem 'cucumber', '~> 2.1'
-  gem 'test-unit', '~> 3.1'
+  gem 'cucumber', '~> 2.4'
+  gem 'test-unit', '~> 3.2'
 
   gem 'simplecov', :require => false
   gem 'coveralls', :require => false