diff --git a/composer.json b/composer.json
index d1e3569..031e83c 100644
--- a/composer.json
+++ b/composer.json
@@ -18,5 +18,9 @@
     },
     "autoload": {
         "psr-4": { "Nmure\\CrawlerDetectBundle\\": "" }
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^6.5",
+        "symfony/yaml": "^4.0"
     }
 }