Add missing dependencies

Author: driesvints

composer.json

@@ -16,7 +16,9 @@
         "illuminate/console": "~5.7.0|~5.8.0",
         "illuminate/support": "~5.7.0|~5.8.0",
         "symfony/console": "^4.0",
-        "symfony/process": "^4.0"
+        "symfony/finder": "^4.0",
+        "symfony/process": "^4.0",
+        "vlucas/phpdotenv": "^2.2|^3.3"
     },
     "require-dev": {
         "mockery/mockery": "^1.0",