diff --git a/.travis.yml b/.travis.yml
index 9ad22ae..2d6da46 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,8 +13,8 @@ rvm:
   - 2.2
   - 2.3.2
   - 2.3.3
-  - 2.4.0-preview3
+  - 2.4.0
 matrix:
   allow_failures:
-    - rvm: 2.4.0-preview3
+    - rvm: 2.4.0
     - rvm: 2.3.3