diff --git a/composer.json b/composer.json
index 1f75cd2..ac2eb11 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
     "larapack/dd": "^1.1",
     "phpmd/phpmd": "^2.9",
     "phpspec/prophecy-phpunit": "^2.0",
-    "phpstan/phpstan": "2.1.31",
+    "phpstan/phpstan": "2.1.34",
     "phpstan/phpstan-deprecation-rules": "^2.0",
     "phpstan/phpstan-phpunit": "^2.0",
     "phpunit/phpunit": "^9.3",
diff --git a/composer.lock b/composer.lock
index 4d4e526..2b72b3c 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": "285ba02d4cf8d379bbe0f17586678b4d",
+    "content-hash": "2bf000974f644c1d40d8c95837e914d1",
     "packages": [
         {
             "name": "brick/math",
@@ -5164,11 +5164,11 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "2.1.31",
+            "version": "2.1.34",
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/ead89849d879fe203ce9292c6ef5e7e76f867b96",
-                "reference": "ead89849d879fe203ce9292c6ef5e7e76f867b96",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/070ba754a949fcade788e16e8dc5a5935b7cf2ee",
+                "reference": "070ba754a949fcade788e16e8dc5a5935b7cf2ee",
                 "shasum": ""
             },
             "require": {
@@ -5213,7 +5213,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2025-10-10T14:14:11+00:00"
+            "time": "2026-01-19T19:52:16+00:00"
         },
         {
             "name": "phpstan/phpstan-deprecation-rules",