diff --git a/composer.json b/composer.json
index bc67b58..bce44c6 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     "ext-igbinary": "*"
   },
   "require-dev": {
-    "phpstan/phpstan": "1.12.8"
+    "phpstan/phpstan": "1.12.9"
   },
   "autoload": {
     "psr-4": {
diff --git a/composer.lock b/composer.lock
index 6cc3131..c7aa495 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,21 +4,21 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "b9d855127acf17e9cf09f29798e38492",
+    "content-hash": "92171f06a08833cc1ddfa1fa73196979",
     "packages": [],
     "packages-dev": [
         {
             "name": "phpstan/phpstan",
-            "version": "1.12.8",
+            "version": "1.12.9",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "f6a60a4d66142b8156c9da923f1972657bc4748c"
+                "reference": "ceb937fb39a92deabc02d20709cf14b2c452502c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/f6a60a4d66142b8156c9da923f1972657bc4748c",
-                "reference": "f6a60a4d66142b8156c9da923f1972657bc4748c",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/ceb937fb39a92deabc02d20709cf14b2c452502c",
+                "reference": "ceb937fb39a92deabc02d20709cf14b2c452502c",
                 "shasum": ""
             },
             "require": {
@@ -63,7 +63,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2024-11-06T19:06:49+00:00"
+            "time": "2024-11-10T17:10:04+00:00"
         }
     ],
     "aliases": [],