diff --git a/.travis.yml b/.travis.yml
index 2abcd8c..9a0e258 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,4 @@
 rvm:
   - 2.0.0
-  - 2.1.2
\ No newline at end of file
+  - 2.1.5
+  - 2.2.0
\ No newline at end of file