diff --git a/composer.json b/composer.json
index d72efd36..ea9fca1b 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
         "jangregor/phpstan-prophecy": "^1.0.0",
         "phpspec/prophecy-phpunit": "^2.0",
         "phpstan/extension-installer": "^1.1.0",
-        "phpstan/phpstan": "^1.3",
+        "phpstan/phpstan": "^1.4",
         "phpunit/phpunit": "^9.5.13",
         "squizlabs/php_codesniffer": "^3.6"
     },