diff --git a/composer.json b/composer.json
index dffe690..b6ea387 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
     "phpunit/phpunit": "^8.5.13 || ^9.3.8",
     "slim/psr7": "^1.1",
     "squizlabs/php_codesniffer": "^3.5",
-    "phpstan/phpstan": "^0.12.28"
+    "phpstan/phpstan": "^1.3"
   },
   "autoload": {
     "psr-4": {