Merge pull request #319 from kenjis/fix-php-version

fix: PHP version

Author: kenjis

README.md

@@ -37,7 +37,7 @@ Usage of Shield requires the following:
 
 - A [CodeIgniter 4](https://github.com/codeigniter4/CodeIgniter4/)-based project
 - [Composer](https://getcomposer.org/) for package management
-- PHP 7.4+
+- PHP 7.4.3+
 
 ### Installation
 

composer.json

@@ -18,7 +18,7 @@
     ],
     "homepage": "https://github.com/codeigniter4/shield",
     "require": {
-        "php": "^7.4 || ^8.0",
+        "php": "^7.4.3 || ^8.0",
         "codeigniter4/settings": "^2.0"
     },
     "require-dev": {