diff --git a/.travis.yml b/.travis.yml
index a0b24657e7..a7968512f7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ before_install:
 language: ruby
 rvm:
   - 2.3.8
-  - 2.4.5
+  - 2.4.6
   - 2.5.5
   - 2.6.2
   - ruby-head