diff --git a/composer.json b/composer.json
index 2ecd4ec..9be24c4 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,7 @@
     "require-dev": {
         "squizlabs/php_codesniffer": "^3.7",
         "overtrue/phplint": "^1.0",
-        "phpstan/phpstan": "^1.8",
+        "phpstan/phpstan": "^1.10",
         "phpunit/phpunit": "^7.0|^8.5.30|^9.0",
         "equip/dispatch": "^2.0",
         "laminas/laminas-diactoros": "^2.0"