.phive/phars.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <phive xmlns="https://phar.io/phive">
-  <phar name="phpstan" version="1.11.1" installed="1.11.1" location="./tools/phpstan" copy="false"/>
+  <phar name="phpstan" version="1.11.8" installed="1.11.8" location="./tools/phpstan" copy="false"/>
   <phar name="phpunit" version="^10.5.20" installed="10.5.20" location="./tools/phpunit" copy="false"/>
   <phar name="phpcs" version="^3.10.1" installed="3.10.1" location="./tools/phpcs" copy="false"/>
   <phar name="phpcbf" version="^3.10.1" installed="3.10.1" location="./tools/phpcbf" copy="false"/>
-  <phar name="captainhook" version="^5.23.0" installed="5.23.0" location="./tools/captainhook" copy="false"/>
+  <phar name="captainhook" version="^5.23.3" installed="5.23.3" location="./tools/captainhook" copy="false"/>
 </phive>

captainhook.json

 {
-  "config": {
-    "bootstrap": "tests/captainhook-bootstrap.php"
-  },
-  "pre-commit": {
-    "enabled": true,
-    "actions": [
-      {
-        "action": "\\CaptainHook\\App\\Hook\\PHP\\Action\\Linting"
-      },
-      {
-        "action": "composer test"
-      }
-    ]
-  }
+    "pre-commit": {
+        "enabled": true,
+        "actions": [
+            {
+                "action": "\\CaptainHook\\App\\Hook\\PHP\\Action\\Linting"
+            },
+            {
+                "action": "composer test"
+            }
+        ]
+    }
 }
\ No newline at end of file

phpstan.dist.neon

@@ -2,7 +2,9 @@ includes:
 	- phpstan-baseline.neon
 
 parameters:
-    level: 8
+    level: 5
     paths:
         - src
+    bootstrapFiles:
+        - tests/phpstan-bootstrap.php
     tipsOfTheDay: false

tests/captainhook-bootstrap.php

-<?php
-
-// This file is supposed to be empty, see https://github.com/captainhookphp/captainhook/issues/248