diff --git a/.travis.yml b/.travis.yml
index dc53208e09..bc44d85d6f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,8 @@ sudo: false
 matrix:
   include:
     - rvm: ruby-head
-    - rvm: 2.4.0
-    - rvm: 2.3.1
+    - rvm: 2.4.1
+    - rvm: 2.3.4
     - rvm: 2.2
     - rvm: 2.1
     - rvm: jruby-9.1.2.0