diff --git a/composer.json b/composer.json
index be35276..d5cb16b 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     "ext-igbinary": "*"
   },
   "require-dev": {
-    "phpstan/phpstan": "1.10.50"
+    "phpstan/phpstan": "1.10.51"
   },
   "autoload": {
     "psr-4": {
diff --git a/composer.lock b/composer.lock
index d2e1eec..ac93127 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": "7616b46415d39b4ea430a3fea9d2289a",
+    "content-hash": "17c836760d97861d7a1996425d9df4bd",
     "packages": [],
     "packages-dev": [
         {
             "name": "phpstan/phpstan",
-            "version": "1.10.50",
+            "version": "1.10.51",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "06a98513ac72c03e8366b5a0cb00750b487032e4"
+                "reference": "5082fa72dc13944578806ca1196a385818d8b077"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/06a98513ac72c03e8366b5a0cb00750b487032e4",
-                "reference": "06a98513ac72c03e8366b5a0cb00750b487032e4",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/5082fa72dc13944578806ca1196a385818d8b077",
+                "reference": "5082fa72dc13944578806ca1196a385818d8b077",
                 "shasum": ""
             },
             "require": {
@@ -67,7 +67,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-12-13T10:59:42+00:00"
+            "time": "2024-01-04T21:16:30+00:00"
         }
     ],
     "aliases": [],