diff --git a/composer.json b/composer.json
index 99a7322..32759f9 100644
--- a/composer.json
+++ b/composer.json
@@ -23,14 +23,14 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^9.6",
-        "phpstan/phpstan": "^1.12",
+        "phpstan/phpstan": "^2.0",
         "infection/infection": "^0.27",
         "vimeo/psalm": "^5.22",
         "psalm/plugin-phpunit": "^0.18.4",
         "doctrine/coding-standard": "^12.0",
         "squizlabs/php_codesniffer": "^3.9",
-        "phpstan/phpstan-strict-rules": "^1.5",
-        "phpstan/phpstan-deprecation-rules": "^1.2"
+        "phpstan/phpstan-strict-rules": "^2.0",
+        "phpstan/phpstan-deprecation-rules": "^2.0"
     },
     "autoload": {
         "psr-4": {