diff --git a/composer.json b/composer.json
index 5524f51..b0cc0d2 100644
--- a/composer.json
+++ b/composer.json
@@ -18,6 +18,10 @@
     "symfony/validator": "~3.0",
     "bubnov/tissue": "~1.0"
   },
+  "require-dev": {
+    "phpunit/phpunit": "~4.2",
+    "matthiasnoback/symfony-config-test": "~0.4"
+  },
   "suggests": {
     "cleentfaar/tissue-clamavphp-adapter": "If you want to scan your files using the PHP-extension of the ClamAV engine"
   },