diff --git a/composer.json b/composer.json
index 0036f5b..62214fc 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     "ext-igbinary": "*"
   },
   "require-dev": {
-    "phpstan/phpstan": "1.10.38"
+    "phpstan/phpstan": "1.10.39"
   },
   "autoload": {
     "psr-4": {
diff --git a/composer.lock b/composer.lock
index ee5ecfe..ed6dc56 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": "6a7abf925d0c175fab092ec57d4235f0",
+    "content-hash": "025aa5a846f266fc78fb640e311512ba",
     "packages": [],
     "packages-dev": [
         {
             "name": "phpstan/phpstan",
-            "version": "1.10.38",
+            "version": "1.10.39",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "5302bb402c57f00fb3c2c015bac86e0827e4b691"
+                "reference": "d9dedb0413f678b4d03cbc2279a48f91592c97c4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/5302bb402c57f00fb3c2c015bac86e0827e4b691",
-                "reference": "5302bb402c57f00fb3c2c015bac86e0827e4b691",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/d9dedb0413f678b4d03cbc2279a48f91592c97c4",
+                "reference": "d9dedb0413f678b4d03cbc2279a48f91592c97c4",
                 "shasum": ""
             },
             "require": {
@@ -67,7 +67,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-10-06T14:19:14+00:00"
+            "time": "2023-10-17T15:46:26+00:00"
         }
     ],
     "aliases": [],