diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d4597af17..d128557bc 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -38,5 +38,8 @@ jobs:
       - name: Install dependencies
         run: composer install --prefer-dist --no-interaction --no-progress
 
+      - name: Run PhpStan
+        run: vendor/bin/phpstan analyse src tests
+
       - name: Execute tests
         run: vendor/bin/phpunit --verbose
diff --git a/composer.json b/composer.json
index f7751426a..673e0fde7 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,8 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5",
-        "dms/phpunit-arraysubset-asserts": "^0.2.1"
+        "dms/phpunit-arraysubset-asserts": "^0.2.1",
+        "phpstan/phpstan": "^1.10"
     },
     "license": "MIT",
     "authors": [
diff --git a/composer.lock b/composer.lock
index d3d947f22..f975aeb18 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": "f661151eb1a23240797e306139755a5b",
+    "content-hash": "186632e5fcfc8b65dc45f3bb657fd6b8",
     "packages": [
         {
             "name": "psr/container",
@@ -1196,6 +1196,68 @@
             },
             "time": "2022-02-21T01:04:05+00:00"
         },
+        {
+            "name": "phpstan/phpstan",
+            "version": "1.10.57",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpstan/phpstan.git",
+                "reference": "1627b1d03446904aaa77593f370c5201d2ecc34e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/1627b1d03446904aaa77593f370c5201d2ecc34e",
+                "reference": "1627b1d03446904aaa77593f370c5201d2ecc34e",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.2|^8.0"
+            },
+            "conflict": {
+                "phpstan/phpstan-shim": "*"
+            },
+            "bin": [
+                "phpstan",
+                "phpstan.phar"
+            ],
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "PHPStan - PHP Static Analysis Tool",
+            "keywords": [
+                "dev",
+                "static analysis"
+            ],
+            "support": {
+                "docs": "https://phpstan.org/user-guide/getting-started",
+                "forum": "https://github.com/phpstan/phpstan/discussions",
+                "issues": "https://github.com/phpstan/phpstan/issues",
+                "security": "https://github.com/phpstan/phpstan/security/policy",
+                "source": "https://github.com/phpstan/phpstan-src"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/ondrejmirtes",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/phpstan",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/phpstan/phpstan",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-01-24T11:51:34+00:00"
+        },
         {
             "name": "phpunit/php-code-coverage",
             "version": "9.2.30",
diff --git a/phpstan.src.neon.dist b/phpstan.src.neon.dist
new file mode 100644
index 000000000..f5d4e5750
--- /dev/null
+++ b/phpstan.src.neon.dist
@@ -0,0 +1,17 @@
+parameters:
+  paths:
+    - src
+  level: 0
+  ignoreErrors:
+    - "#\\(void\\) is used#"
+    - "#Access to an undefined property#"
+    - "#Call to an undefined method#"
+    - "#but return statement is missing.#"
+    - "#Caught class [a-zA-Z0-9\\\\_]+ not found.#"
+    - "#Class [a-zA-Z0-9\\\\_]+ not found.#"
+    - "#has invalid type#"
+    - "#should always throw an exception or terminate script execution#"
+    - "#Instantiated class [a-zA-Z0-9\\\\_]+ not found.#"
+    - "#Unsafe usage of new static#"
+  excludePaths:
+    - "src/Illuminate/Testing/ParallelRunner.php"
diff --git a/src/Settings/JsonSettings.php b/src/Settings/JsonSettings.php
index e25c88f34..cf891d419 100644
--- a/src/Settings/JsonSettings.php
+++ b/src/Settings/JsonSettings.php
@@ -2,7 +2,7 @@
 
 namespace Laravel\Homestead\Settings;
 
-class JsonSettings extends HomesteadSettings
+final class JsonSettings extends HomesteadSettings
 {
     /**
      * Create an instance from a file.
diff --git a/src/Settings/YamlSettings.php b/src/Settings/YamlSettings.php
index d136613d2..d25924b14 100644
--- a/src/Settings/YamlSettings.php
+++ b/src/Settings/YamlSettings.php
@@ -4,7 +4,7 @@
 
 use Symfony\Component\Yaml\Yaml;
 
-class YamlSettings extends HomesteadSettings
+final class YamlSettings extends HomesteadSettings
 {
     /**
      * Create an instance from a file.