diff --git a/README.md b/README.md
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--- a/README.md
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@@ -1,6 +1,7 @@
 [![Latest Stable Version](https://poser.pugx.org/amirbagh75/smsir-php/v)](//packagist.org/packages/amirbagh75/smsir-php) [![Total Downloads](https://poser.pugx.org/amirbagh75/smsir-php/downloads)](//packagist.org/packages/amirbagh75/smsir-php) [![Latest Unstable Version](https://poser.pugx.org/amirbagh75/smsir-php/v/unstable)](//packagist.org/packages/amirbagh75/smsir-php) [![License](https://poser.pugx.org/amirbagh75/smsir-php/license)](//packagist.org/packages/amirbagh75/smsir-php)
 ## Unofficial PHP Package for sms.ir
-Inspired by the [official package](https://github.com/IPeCompany/SmsirLaravel). The official package just working in laravel! This package working in every PHP project.
+
+Inspired by the [official package](https://github.com/IPeCompany/SmsirLaravel). The official package just working in laravel! This package working in every PHP project (PHP ^7.3).
 
 ### How to install:
 ```