diff --git a/composer.json b/composer.json
index ac486e3..f9de2fb 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,9 @@
         "facade/ignition": "^1.4",
         "fzaninotto/faker": "^1.4",
         "mockery/mockery": "^1.0",
-        "nunomaduro/collision": "^3.0"
+        "nunomaduro/collision": "^3.0",
+        "phpunit/php-invoker": "^2.0.0",
+        "phpunit/phpunit": "^8.4.1"
     },
     "config": {
         "optimize-autoloader": true,