diff --git a/composer.json b/composer.json
index 999437a..3b5c320 100644
--- a/composer.json
+++ b/composer.json
@@ -16,9 +16,9 @@
         "ext-curl": "*"
     },
     "require-dev": {
-        "phpunit/phpunit": "5.2.*",,
+        "phpunit/phpunit": "5.2.*",
         "phpunit/php-code-coverage": "3.3.0",
-        "phpunit/php-invoker": "1.1.4"
+        "phpunit/php-invoker": "1.1.4",
         "phpmd/phpmd": "2.4.*",
         "sebastian/phpcpd": "2.0.*",
         "sebastian/phpdcd": "1.0.*",