diff --git a/composer.json b/composer.json
index 49dfae9..771ce66 100644
--- a/composer.json
+++ b/composer.json
@@ -15,10 +15,10 @@
 		"infection/infection": "^0.26.0|^0.27.0|^0.28.0|^0.29.0",
 		"orisai/coding-standard": "^3.0.0",
 		"phpstan/extension-installer": "^1.0.0",
-		"phpstan/phpstan": "^1.0.0",
-		"phpstan/phpstan-deprecation-rules": "^1.0.0",
-		"phpstan/phpstan-phpunit": "^1.0.0",
-		"phpstan/phpstan-strict-rules": "^1.0.0",
+		"phpstan/phpstan": "^2.0.0",
+		"phpstan/phpstan-deprecation-rules": "^2.0.0",
+		"phpstan/phpstan-phpunit": "^2.0.0",
+		"phpstan/phpstan-strict-rules": "^2.0.0",
 		"phpunit/phpunit": "^9.5.0",
 		"staabm/annotate-pull-request-from-checkstyle": "^1.7.0"
 	},