diff --git a/composer.json b/composer.json
index 393e510..4c5a7ae 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
     "monolog/monolog": "1.19.0"
   },
   "require-dev": {
-    "phpunit/phpunit": "~5.3.4",
+    "phpunit/phpunit": "~5.3.4"
   },
   "autoload": {
     "psr-4":  {"Flowfact\\": "src/Flowfact/"}