Update README.md

Author: michaelr0

README.md

@@ -6,7 +6,7 @@ Inspired by [sebdesign/artisan-cloudflare](https://github.com/sebdesign/artisan-
 
 ## Requirements
 
-* Statamic 3.1.2 or higher
+* Statamic 4.0.0 or higher
 
 ## Installation
 
@@ -182,4 +182,4 @@ Please see [CONTRIBUTING](https://github.com/handmadeweb/statamic-cloudflare/blo
 
 ## License
 
-The MIT License (MIT). Please see [License File](https://github.com/handmadeweb/statamic-cloudflare/blob/main/LICENSE) for more information.
+The MIT License (MIT). Please see [License File](https://github.com/handmadeweb/statamic-cloudflare/blob/main/LICENSE) for more information.