diff --git a/.travis.yml b/.travis.yml
index 4fbbaa9..9f3c5fc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,6 +13,7 @@ php:
   - 7.1
   - 7.2
   - 7.3
+  - 7.4
   - nightly
   - hhvm