diff --git a/.travis.yml b/.travis.yml
index 92c643b..30ee823 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,9 @@ matrix:
     - os: linux
       php: '7.3'
 
+    - os: linux
+      php: '7.4'
+
 cache:
   directories:
     - $HOME/.composer/cache