diff --git a/.travis.yml b/.travis.yml
index b9c74d6..1ec564e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,8 @@ language: ruby
 rvm:
   - 2.0.0
   - 2.1.6
+  - 2.2.3
+  - 2.3.0
   - jruby-1.7.20
 
 services:
diff --git a/README.md b/README.md
index 4eb32ef..501e2c5 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@ $ bin/docker_console
 
 3. Install any of the supported Ruby versions:
   - JRuby 1.7.3 - 1.7.20
-  - MRI 2.0.0 - 2.1.6
+  - MRI 2.0.0 - 2.3.0
 
 4. Install [Bundler](http://gembundler.com/) if necessary: