diff --git a/.travis.yml b/.travis.yml
index e6baa20..844d1a5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,10 @@
 language: php
 
 php:
-  - 7.1
+  - 7.0
 
 before_script:
   - travis_retry composer install --prefer-source --no-interaction
 
 script:
-  - phpunit --bootstrap=vendor/autoload.php tests
+  - vendor/bin/phpunit --bootstrap=vendor/autoload.php tests