diff --git a/README.md b/README.md
index cdf9a239..5c9d69ef 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,11 @@ The package could be installed with [Composer](https://getcomposer.org):
 composer require yiisoft/db-mssql
 ```
 
+> [!IMPORTANT]
+> It also depends on [PSR-16: Common Interface for Caching Libraries](https://www.php-fig.org/psr/psr-16/) and requires
+> the installation of [PSR-16 implementation](https://packagist.org/providers/psr/simple-cache-implementation).
+> For example, [yiisoft/cache](https://github.com/yiisoft/cache) or one of the other [cache handlers](https://github.com/yiisoft/cache#cache-handlers).
+
 ## Documentation
 
 To configure connection to MSSQL database check [Connecting MSSQL](https://github.com/yiisoft/db/blob/master/docs/guide/en/connection/mssql.md).