diff --git a/.travis.yml b/.travis.yml
index 1611756..f7fa338 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: ruby
 cache: bundler
 rvm:
-  - 2.2.6
+  - 2.4.1
 services:
   - redis-server
 before_install: