diff --git a/.travis.yml b/.travis.yml
index b38ad67..f999f4f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@ env:
 
 # pull in releaseops submodule
 before_install:
+  - gem update bundler
   - git submodule update --init --recursive
 
 rvm:
@@ -19,9 +20,6 @@ rvm:
   - 2.0.0
   - 2.1.0
   - 2.2.0
-matrix:
-  allow_failures:
-    - rvm: 2.2.0
 
 # jruby specs are too intesive for travis
 #   - jruby-18mode
diff --git a/Gemfile b/Gemfile
index 3880c0b..b9a05b4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -43,6 +43,7 @@ group :test do
   gem 'rspec', '~> 2.8.0'
   gem 'flexmock', '~> 0.8.10'
   gem 'zk-server', '~> 1.1.4'
+  gem 'test-unit', :platforms => [:ruby_22]
 end
 
 # Specify your gem's dependencies in zk.gemspec