diff --git a/.travis.yml b/.travis.yml
index a6bcdd089..c9fe7c114 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ php:
   - 7.0
   - 7.1
   - 7.2
+  - 7.4
 
 install: travis_retry composer install --no-interaction --prefer-source