diff --git a/tools/phpstan/composer.json b/tools/phpstan/composer.json
index 6e359541d..f588a32e7 100644
--- a/tools/phpstan/composer.json
+++ b/tools/phpstan/composer.json
@@ -3,7 +3,7 @@
   "description": "Flow PHP ETL - Tools",
   "require-dev": {
     "php": "~8.3.0 || ~8.4.0 || ~8.5.0",
-    "phpstan/phpstan": "2.1.33",
+    "phpstan/phpstan": "2.1.39",
     "spaze/phpstan-disallowed-calls": "^4.4"
   },
   "config": {
diff --git a/tools/phpstan/composer.lock b/tools/phpstan/composer.lock
index 8e00396e4..702c6fa6a 100644
--- a/tools/phpstan/composer.lock
+++ b/tools/phpstan/composer.lock
@@ -4,16 +4,16 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "46c0eae98511db38967cf3780767ffa6",
+    "content-hash": "a104eb58179dace7626d8544ad848019",
     "packages": [],
     "packages-dev": [
         {
             "name": "phpstan/phpstan",
-            "version": "2.1.33",
+            "version": "2.1.39",
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/9e800e6bee7d5bd02784d4c6069b48032d16224f",
-                "reference": "9e800e6bee7d5bd02784d4c6069b48032d16224f",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/c6f73a2af4cbcd99c931d0fb8f08548cc0fa8224",
+                "reference": "c6f73a2af4cbcd99c931d0fb8f08548cc0fa8224",
                 "shasum": ""
             },
             "require": {
@@ -58,7 +58,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2025-12-05T10:24:31+00:00"
+            "time": "2026-02-11T14:48:56+00:00"
         },
         {
             "name": "spaze/phpstan-disallowed-calls",