diff --git a/composer.json b/composer.json
index 3a68702..94020e1 100644
--- a/composer.json
+++ b/composer.json
@@ -17,8 +17,7 @@
     "require-dev": {
         "phpunit/phpunit": ">=3.7",
         "fabpot/php-cs-fixer": "~0.1",
-        "mmoreram/php-formatter": "~1.0",
-        "ext-tar": "*"
+        "mmoreram/php-formatter": "~1.0"
     },
     "suggest": {
         "ext-phar": "For usage of Phar adapter",