1 files changed, 1 insertions, 0 deletions

diff --git a/.travis.yml b/.travis.yml
index 46be91d18e..d9f2bae754 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,6 +25,7 @@ env:
     - "GEM=guides"
 rvm:
   - 2.2.3
+  - 2.3.0-preview2
   - ruby-head
 matrix:
   allow_failures: