diff --git a/README.md b/README.md
index 920bbac5..44e49805 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@ require_once '/path/to/your-project/vendor/autoload.php';
 
 #### Requirements 
 
-PHP version: [PHP 5.5 or later](https://secure.php.net/)
+PHP version: [PHP 7.1 or later](https://www.php.net/)
 
 
 #### Working with SharePoint API