diff --git a/.travis.yml b/.travis.yml
index cf16fdcbd..a96be308f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ rvm:
   - 2.1.10
   - 2.2.6
   - 2.3.1
-  - 2.4.0-preview3
+  - 2.4.0
 
 services:
   - docker