Update Travis config

mbabker · mbabker · commit 9d9c84e18c7f · 2020-03-07T11:20:38.000-06:00
diff --git a/.travis.yml b/.travis.yml
@@ -26,6 +26,7 @@ matrix:
       env: COMPOSER_FLAGS=""
     - php: 7.2
     - php: 7.3
+    - php: 7.4
     - php: nightly
   allow_failures:
     - php: nightly
