diff --git a/.travis.yml b/.travis.yml
index 416a371..7bacd02 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,7 @@
 language: php
 php:
   - '7.1'
-
+install:
+  - composer install --prefer-dist --no-interaction --prefer-stable --no-suggest
+script:
+  - vendor/bin/phpunit