diff --git a/.travis.yml b/.travis.yml
index ca51ff16..2935243d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,7 @@ php:
   - 7.1
   - 7.2
   - 7.3
+  - 7.4snapshot
 
 env:
   global: