diff --git a/composer.json b/composer.json
index a28d18fe4..3c8daad18 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": "^7.1.3",
+        "php": ">=7.1.3",
         "symfony/polyfill-ctype": "~1.8"
     },
     "require-dev": {