diff --git a/.travis.yml b/.travis.yml
index 34ea37d..117c114 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@ matrix:
     - php: "7.1"
     - php: "7.2"
     - php: "7.3"
+    - php: "7.4"
     - php: "8.0"
     - php: "nightly"
   allow_failures: