diff --git a/composer.json b/composer.json
index 31940fa3..005a07fb 100644
--- a/composer.json
+++ b/composer.json
@@ -20,5 +20,13 @@
 	},
 	"suggest": {
 		"mediawiki/cldr": "Language names in all languages"
+	},
+	"require-dev": {
+		"jakub-onderka/php-parallel-lint": "0.9.*"
+	},
+	"scripts": {
+		"test": [
+			"parallel-lint . --exclude vendor"
+		]
 	}
 }