diff --git a/README.md b/README.md
index e40a01e..9698653 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 ![Tests](https://github.com/ohdearapp/ohdear-php-sdk/workflows/run-tests/badge.svg)
 [![Total Downloads](https://img.shields.io/packagist/dt/ohdearapp/ohdear-php-sdk.svg?style=flat-square)](https://packagist.org/packages/ohdearapp/ohdear-php-sdk)
 
-This package is the official PHP SDK for the [Oh Dear](https://ohdear.app) API, built with [Saloon](https://docs.saloon.dev/) v3.
+This package is the official PHP SDK for the [Oh Dear](https://ohdear.app) API, built with [Saloon](https://docs.saloon.dev/) v4.
 
 ```php
 use OhDear\PhpSdk\OhDear;
diff --git a/composer.json b/composer.json
index b56d824..122de07 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
     "require": {
         "php": "^8.1",
         "saloonphp/pagination-plugin": "^2.2",
-        "saloonphp/saloon": "^3.14"
+        "saloonphp/saloon": "^4.0"
     },
     "require-dev": {
         "laravel/pint": "^1.27",