diff --git a/composer.json b/composer.json
index 6b49ae0..62dc481 100644
--- a/composer.json
+++ b/composer.json
@@ -17,9 +17,6 @@
     "magium/magium": "~1.1",
     "zendframework/zend-uri": "^2.5"
   },
-  "require-dev": {
-      "phpunit/phpunit": "^5.7"
-  },
   "repositories" : [ {
     "type" : "composer",
     "url" : "https://packagist.org/"