diff --git a/.travis.yml b/.travis.yml
index 629b304..fef7092 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ php:
 - 7.1
 - 7.2
 - 7.3
+- 7.4
 sudo: false
 before_script:
 - composer self-update