diff --git a/.travis.yml b/.travis.yml
index 725afb1..349b265 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ php:
   - 7.1
   - 7.2
   - 7.3
+  - 7.4
 
 install:
   - travis_retry composer update