diff --git a/composer.json b/composer.json
index cc77fd3..a732408 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
     "description": "Helper functions and custom Magento 2 UI components",
     "type": "magento2-module",
     "require": {
-        "php": "~5.5|~7.0.0|7.0.2|7.0.4|~7.0.6|~7.1"
+        "php": "~5.5.0|~5.6.0|~7.0.0|~7.0.2|~7.0.4|~7.0.6|~7.1|~8.1",
     },
     "license": "GPL-3.0-or-later",
     "authors": [