diff --git a/.travis.yml b/.travis.yml
index 4bdb7cc..9432218 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ rvm:
   - 2.0.0
   - 2.1.7
   - 2.2.3
+  - 2.3.1
 notifications:
   webhooks:
     urls:
diff --git a/README.md b/README.md
index 45ec41a..bb4ea58 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ Currently there is no such thing as Ruby Cron for Rails. Well, there's [Whenever
 
 ## Requirements
 
-Tested with latest MRI Ruby (2.2, 2.1 and 2.0) and Rails 3.2+  
+Tested with latest MRI Ruby (2.3, 2.2, 2.1 and 2.0) and Rails 3.2+
 Other versions are untested but might work fine.