diff --git a/.travis.yml b/.travis.yml
index 84ac57fe..46e475d7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,14 +1,15 @@
 sudo: required
 dist: trusty
 language: php
-php:
-  - 5.3.3
-    dist: precise
-  - 5.4
-  - 5.5
-  - 5.6
-  - 7.0
-  - 7.1
+matrix:
+  include:
+    - php: 5.3.3
+      dist: precise
+    - php: 5.4
+    - php: 5.5
+    - php: 5.6
+    - php: 7.0
+    - php: 7.1
 branches:
   only:
     - /^7.x/