diff --git a/site/composer.json b/site/composer.json
index fd2c848d721..76d25f2d39b 100644
--- a/site/composer.json
+++ b/site/composer.json
@@ -44,7 +44,7 @@
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     "dealerdirect/phpcodesniffer-composer-installer": "0.7.2",
     "php-mock/php-mock-phpunit": "2.7.2",
-    "phpstan/phpstan": "1.10.28",
+    "phpstan/phpstan": "1.10.40",
     "phpstan/phpstan-deprecation-rules": "1.1.4",
     "phpstan/phpstan-doctrine": "1.3.42",
     "phpunit/phpunit": "9.6.9",
diff --git a/site/composer.lock b/site/composer.lock
index ef17807e8d6..4e9fbf1397f 100644
--- a/site/composer.lock
+++ b/site/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": "30a9e815cc4e63daab83d274eabc8162",
+    "content-hash": "a97bdd2626713e0748bd071d5f601712",
     "packages": [
         {
             "name": "aptoma/twig-markdown",
@@ -6009,16 +6009,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.10.28",
+            "version": "1.10.40",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "e4545b55904ebef470423d3ddddb74fa7325497a"
+                "reference": "93c84b5bf7669920d823631e39904d69b9c7dc5d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/e4545b55904ebef470423d3ddddb74fa7325497a",
-                "reference": "e4545b55904ebef470423d3ddddb74fa7325497a",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/93c84b5bf7669920d823631e39904d69b9c7dc5d",
+                "reference": "93c84b5bf7669920d823631e39904d69b9c7dc5d",
                 "shasum": ""
             },
             "require": {
@@ -6067,7 +6067,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-08-08T12:33:42+00:00"
+            "time": "2023-10-30T14:48:31+00:00"
         },
         {
             "name": "phpstan/phpstan-deprecation-rules",