diff --git a/composer.json b/composer.json
index 78e13de..c029b03 100644
--- a/composer.json
+++ b/composer.json
@@ -42,7 +42,7 @@
     "php-http/psr7-integration-tests": "1.3.0",
     "phpspec/prophecy": "^1.19",
     "phpspec/prophecy-phpunit": "^2.2",
-    "phpstan/phpstan": "^1.10",
+    "phpstan/phpstan": "^1.11",
     "phpunit/phpunit": "^9.6",
     "squizlabs/php_codesniffer": "^3.9"
   },