diff --git a/.travis.yml b/.travis.yml
index 3b2fb52..338b6cd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,7 +26,7 @@ matrix:
   - php: 7.0
     env:
     - SYMFONY_LTS="2"
-    - PHPUNIT=phpunit-5.7
+    - PHPUNIT=phpunit-4.8
     - TEST_LINT=`true`
     - PHP_CS_FIXER=`true`
     - SENSIO_SECURITY=`true`