README.md in sentry-raven-0.15.3 vs README.md in sentry-raven-0.15.4

@@ -5,10 +5,10 @@
 
 A client and integration layer for the [Sentry](https://github.com/getsentry/sentry) error reporting API.
 
 ## Requirements
 
-We test on Ruby MRI 1.8.7/REE, 1.9.3, 2.0, 2.1 and 2.2. JRuby support is experimental - check TravisCI to see if the build is passing or failing.
+We test on Ruby MRI 1.8.7/REE through Ruby 2.3 at the latest patchlevel/teeny version. JRuby support is experimental - check TravisCI to see if the build is passing or failing.
 
 ## Getting Started
 ### Install
 ```ruby
 gem "sentry-raven" #, :github => "getsentry/raven-ruby"