diff --git a/composer.json b/composer.json
index 558e5cf..7238b13 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "doctrine/annotations": "1.*",
         "doctrine/orm": "2.*",
         "doctrine/dbal": "2.*",
-        "phpunit/phpunit": "7.*",
+        "phpunit/phpunit": "8.*",
         "php-coveralls/php-coveralls": "2.*"
     },
     "suggest": {