diff --git a/.travis.yml b/.travis.yml
index 5496dee..4eb97ee 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@ language: php
 
 php:
   - '7.0'
-  - '7.2'
+  - '7.2RC5'
 
 git:
   depth: 10