diff --git a/composer.json b/composer.json
index 588de05..a39f141 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,6 @@
   },
   "require-dev": {
     "friendsofphp/php-cs-fixer": "^2",
-    "phpstan/phpstan": "^0.11.4",
     "sensiolabs/security-checker": "^5.0",
     "roave/security-advisories": "dev-master",
     "phpunit/phpunit": "^5",