diff --git a/.travis.yml b/.travis.yml
index 299a68e..ca90543 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,14 +13,15 @@ matrix:
     - php: 7.1
     - php: 7.2
     - php: 7.3
-    - php: 7.4snapshot
+      dist: precise
+    - php: 7.4
+      dist: trusty
     - php: nightly
   allow_failures:
     - php: nightly
 
 env:
   - COMPOSER_ALLOW_XDEBUG=0
-  - XDEBUG_MODE=coverage
 
 cache:
   directories: