diff --git a/.travis.yml b/.travis.yml
index 89d29f0..f9db456 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 language: ruby
 rvm:
-  - 2.4.0
-  - 2.3.3
-  - 2.2.6
+  - 2.4.1
+  - 2.3.4
+  - 2.2.7
   - 2.1.10
 install:
   - bundle install