diff --git a/composer.json b/composer.json
index 5c9c0679..a30b20c3 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,7 @@
     "require-dev": {
         "ext-ast": "*",
         "bamarni/composer-bin-plugin": "^1.4",
-        "phpstan/phpstan": "1.10.65",
+        "phpstan/phpstan": "1.10.66",
         "phpstan/phpstan-doctrine": "1.3.64",
         "phpstan/phpstan-phpunit": "1.3.16",
         "phpstan/phpstan-symfony": "1.3.9",