diff --git a/composer.json b/composer.json
index 52ae6b3..0ffe3f4 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": "^7.1.3"
+        "php": "^7.2.9"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Finder\\": "" },