diff --git a/composer.json b/composer.json
index bb933e4..2c29d8d 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
   "require": {
       "php": ">=7.0.0",
       "behat/behat": "^3.0",
-      "phpunit/phpunit": "^6.0",
+      "phpunit/phpunit": ">=6.0 <8.0",
       "symfony/dependency-injection": "^3.0"
   },
   "autoload": {
diff --git a/phpunit.xml.dist b/phpunit.xml
similarity index 75%
rename from phpunit.xml.dist
rename to phpunit.xml
index eefb17e..74b2ee5 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit colors="true">
+<phpunit colors="true" bootstrap="vendor/autoload.php">
   <testsuites>
     <testsuite name="PHPUnitBehat">
       <directory>./tests</directory>