diff --git a/composer.json b/composer.json
index 078dbde..07b3244 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     "ext-igbinary": "*"
   },
   "require-dev": {
-    "phpstan/phpstan": "1.10.54"
+    "phpstan/phpstan": "1.10.55"
   },
   "autoload": {
     "psr-4": {
diff --git a/composer.lock b/composer.lock
index 09fada0..1060156 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": "228e0a18502dad364671c0bf59baa8dc",
+    "content-hash": "6a46159ce73a1776ce4e7179fbcf642e",
     "packages": [],
     "packages-dev": [
         {
             "name": "phpstan/phpstan",
-            "version": "1.10.54",
+            "version": "1.10.55",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "3e25f279dada0adc14ffd7bad09af2e2fc3523bb"
+                "reference": "9a88f9d18ddf4cf54c922fbeac16c4cb164c5949"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/3e25f279dada0adc14ffd7bad09af2e2fc3523bb",
-                "reference": "3e25f279dada0adc14ffd7bad09af2e2fc3523bb",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/9a88f9d18ddf4cf54c922fbeac16c4cb164c5949",
+                "reference": "9a88f9d18ddf4cf54c922fbeac16c4cb164c5949",
                 "shasum": ""
             },
             "require": {
@@ -67,7 +67,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-01-05T15:50:47+00:00"
+            "time": "2024-01-08T12:32:40+00:00"
         }
     ],
     "aliases": [],