diff --git a/.travis.yml b/.travis.yml
index 6deaa0887f4170c5cc5c0844a61727faf43cd284..73e7a456957a4bc96f34e92e14abb575947c8369 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,9 @@
 language: ruby
 rvm:
+- 2.3.0
+- 2.2.4
 - 2.2.0
+- 2.1.8
 - 2.1.3
 - 2.0.0
 - 1.9.3