diff --git a/.travis.yml b/.travis.yml
index 4fb3817..b2a2728 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ php:
   - 7.1
   - 7.2
   - 7.3
+  - 7.4
 
 before_install:
   - phpenv config-rm xdebug.ini || echo "xdebug not available"