diff --git a/composer.json b/composer.json
index cb44303..2a72e4d 100644
--- a/composer.json
+++ b/composer.json
@@ -45,7 +45,7 @@
     "lendable/clock": "^2.3",
     "php-cs-fixer/shim": "^v3.40.2",
     "php-standard-library/phpstan-extension": "^1.0",
-    "phpstan/phpstan": "^1.10.47",
+    "phpstan/phpstan": "^1.10.48",
     "phpstan/phpstan-deprecation-rules": "^1.1.4",
     "phpstan/phpstan-phpunit": "^1.3.15",
     "phpstan/phpstan-strict-rules": "^1.5.2",
diff --git a/composer.lock b/composer.lock
index 686efc6..babe93a 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "40024fc0ac18ad5414898e7612cb872c",
+    "content-hash": "6e55d6af4af4da801833c3c9c73be1e1",
     "packages": [
         {
             "name": "amphp/amp",
@@ -2648,16 +2648,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.10.47",
+            "version": "1.10.48",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "84dbb33b520ea28b6cf5676a3941f4bae1c1ff39"
+                "reference": "087ed4b5f4a7a6e8f3bbdfbfe98ce5c181380bc6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/84dbb33b520ea28b6cf5676a3941f4bae1c1ff39",
-                "reference": "84dbb33b520ea28b6cf5676a3941f4bae1c1ff39",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/087ed4b5f4a7a6e8f3bbdfbfe98ce5c181380bc6",
+                "reference": "087ed4b5f4a7a6e8f3bbdfbfe98ce5c181380bc6",
                 "shasum": ""
             },
             "require": {
@@ -2706,7 +2706,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-12-01T15:19:17+00:00"
+            "time": "2023-12-08T14:34:28+00:00"
         },
         {
             "name": "phpstan/phpstan-deprecation-rules",