diff --git a/.travis.yml b/.travis.yml
index 4dbde0e..2ff6818 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,13 @@ php:
   - 7.1
   - 7.2
   - 7.3
+  - 7.4
+  - nightly
+
+matrix:
+  allow_failures:
+    - php: nightly
+    
 install:
  - composer self-update
  - composer install --no-interaction --dev