diff --git a/CHANGELOG.md b/CHANGELOG.md
index cd83f0c..1ebe0c6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,23 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com), and this project adheres to [Semantic Versioning](https://semver.org).
 
+## [Unreleased]
+### Added
+* *Nothing*
+
+### Changed
+* Update to PHPStan 2.0
+
+### Deprecated
+* *Nothing*
+
+### Removed
+* *Nothing*
+
+### Fixed
+* *Nothing*
+
+
 ## [4.2.0] - 2024-11-09
 ### Added
 * Add new `DatabaseTestCase::createRepository()` protected method to create default or custom repositories without duplicating code.
diff --git a/composer.json b/composer.json
index e02823a..789cd43 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "symfony/process": "^7.1"
     },
     "require-dev": {
-        "phpstan/phpstan": "^1.12",
+        "phpstan/phpstan": "^2.0",
         "roave/security-advisories": "dev-master",
         "shlinkio/php-coding-standard": "~2.4.0"
     },
@@ -43,7 +43,7 @@
         ],
         "cs": "phpcs",
         "cs:fix": "phpcbf",
-        "stan": "phpstan analyse src --level=8"
+        "stan": "phpstan analyse"
     },
     "scripts-descriptions": {
         "ci": "<fg=blue;options=bold>Alias for \"cs\" and \"stan\"</>",
diff --git a/phpstan.neon b/phpstan.neon
index 715b4d1..bfdd142 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -1,3 +1,6 @@
 parameters:
+    level: 9
+    paths:
+        - src
     ignoreErrors:
         - identifier: missingType.iterableValue