diff --git a/README.md b/README.md
index 07e96aa..2ff17e6 100644
--- a/README.md
+++ b/README.md
@@ -13,10 +13,10 @@ PHP: PHP 7.2 or higher
 
 Magento: Magento 2.3.0 or higher
 
-PHPStan: PHPStan 1.9
+PHPStan: PHPStan 1.10
 
 If you are using a Magento version that requires an older version of PHPStan (e.g. 0.12.77),  you need to manually upgrade it before 
-installing this extension. in your composer.json Change the PHPStan version to `~1.9` and run:
+installing this extension. in your composer.json Change the PHPStan version to `~1.10` and run:
 
 ```
 composer update phpstan/phpstan --with-all-dependencies
diff --git a/composer.json b/composer.json
index 104a2d0..f3b336e 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
     "php": "^7.2.0 || ^8.1.0",
     "ext-dom": "*",
     "laminas/laminas-code": "~3.3.0 || ~3.4.1 || ~3.5.1 || ^4.5",
-    "phpstan/phpstan": "~1.9.2",
+    "phpstan/phpstan": "~1.10.3",
     "symfony/finder": "^3.0 || ^4.0 || ^5.0 || ^6.0"
   },
   "conflict": {