diff --git a/.travis.yml b/.travis.yml
index 21ab797..e3f34e0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,8 @@ notifications:
   email:
   - drbrain@segment7.net
 rvm:
-- 2.1.10
-- 2.2.5
-- 2.3.1
+- 2.3.8
+- 2.4.5
+- 2.5.3
+- 2.6.0-rc1
 script: rake travis