diff --git a/composer.json b/composer.json
index 7adf293..da9c717 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     "ext-igbinary": "*"
   },
   "require-dev": {
-    "phpstan/phpstan": "1.10.46"
+    "phpstan/phpstan": "1.10.47"
   },
   "autoload": {
     "psr-4": {
diff --git a/composer.lock b/composer.lock
index 96a9504..74899f4 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": "9a4a7f8abbc01c8e25c1de08694d21b9",
+    "content-hash": "600821158563ca6bfbd4e9b93f589d5d",
     "packages": [],
     "packages-dev": [
         {
             "name": "phpstan/phpstan",
-            "version": "1.10.46",
+            "version": "1.10.47",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "90d3d25c5b98b8068916bbf08ce42d5cb6c54e70"
+                "reference": "84dbb33b520ea28b6cf5676a3941f4bae1c1ff39"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/90d3d25c5b98b8068916bbf08ce42d5cb6c54e70",
-                "reference": "90d3d25c5b98b8068916bbf08ce42d5cb6c54e70",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/84dbb33b520ea28b6cf5676a3941f4bae1c1ff39",
+                "reference": "84dbb33b520ea28b6cf5676a3941f4bae1c1ff39",
                 "shasum": ""
             },
             "require": {
@@ -67,7 +67,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-11-28T14:57:26+00:00"
+            "time": "2023-12-01T15:19:17+00:00"
         }
     ],
     "aliases": [],