diff --git a/.travis.yml b/.travis.yml
index 7440bdc..a233d94 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@ language: ruby
 cache: bundler
 sudo: false
 rvm:
-  - 2.2.10
+  - 2.2.9
   - 2.3.6
   - 2.4.3
 branches: