.travis.yml in rack-simple_user_agent-0.2.2 vs .travis.yml in rack-simple_user_agent-0.3.0.rc

@@ -1,6 +1,6 @@
 language: ruby
 cache: bundler
 rvm:
-  - 2.2.4
+  - 2.2.5
   - 2.3.1
 before_install: gem install bundler -v 1.11.2