diff --git a/composer.json b/composer.json
index 742e187..66ef673 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
     },
     "require": {
         "php": ">=5.6",
-        "phpro/grumphp": "^0.11.1"
+        "phpro/grumphp": "^0.12.0"
     },
     "require-dev": {
         "squizlabs/php_codesniffer": "2.6.*"