diff --git a/.travis.yml b/.travis.yml
index 151cc42..eff1331 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,6 +19,7 @@ jobs:
     - php: "7.2"
     - php: "7.3"
     - php: "7.4"
+    - php: "nightly"
     - name: "Php CS Fixer"
       php: "7.3"
       env: