diff --git a/README.md b/README.md
index adb1531..db64d38 100644
--- a/README.md
+++ b/README.md
@@ -132,7 +132,7 @@ Ideally, a bug report should include a pull request with failing specs.
 [pr]: http://help.github.com/send-pull-requests/
 
 ## Supported Ruby Version
-This library aims to support and is [tested against][travis] Ruby version 2.1.2.
+This library aims to support and is [tested against][travis] Ruby version 2.3.0.
 
 If something doesn't work on this version, it should be considered a bug.