diff --git a/.github/workflows/analyse.yml b/.github/workflows/analyse.yml
new file mode 100644
index 0000000..1e9dcbe
--- /dev/null
+++ b/.github/workflows/analyse.yml
@@ -0,0 +1,28 @@
+name: analyse
+
+on: ['push', 'pull_request']
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    name: PHPStan
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 8.2
+          extensions: dom, curl, libxml, mbstring, zip, pdo, sqlite, pdo_sqlite, bcmath, soap, intl, gd, exif, iconv, imagick, fileinfo
+          coverage: none
+
+      - name: Repository Credentials
+        run: composer config http-basic.repo.magento.com ${{ secrets.MAGENTO_REPO_USERNAME }} ${{ secrets.MAGENTO_REPO_PASSWORD }}
+
+      - name: Install dependencies
+        run: composer install --no-interaction
+
+      - name: Analyse
+        run: vendor/bin/phpstan analyse
diff --git a/.gitignore b/.gitignore
index b24d71e..7579f74 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,50 +1,2 @@
-# These are some examples of commonly ignored file patterns.
-# You should customize this list as applicable to your project.
-# Learn more about .gitignore:
-#     https://www.atlassian.com/git/tutorials/saving-changes/gitignore
-
-# Node artifact files
-node_modules/
-dist/
-
-# Compiled Java class files
-*.class
-
-# Compiled Python bytecode
-*.py[cod]
-
-# Log files
-*.log
-
-# Package files
-*.jar
-
-# Maven
-target/
-dist/
-
-# JetBrains IDE
-.idea/
-
-# Unit test reports
-TEST*.xml
-
-# Generated by MacOS
-.DS_Store
-
-# Generated by Windows
-Thumbs.db
-
-# Applications
-*.app
-*.exe
-*.war
-
-# Large media files
-*.mp4
-*.tiff
-*.avi
-*.flv
-*.mov
-*.wmv
-
+vendor
+composer.lock
diff --git a/composer.json b/composer.json
index b62e185..d69903b 100644
--- a/composer.json
+++ b/composer.json
@@ -1,31 +1,47 @@
 {
-  "name": "justbetter/magento2-customer-pricing",
-  "description": "Customer specific pricing module for Magento 2",
-  "keywords": [
-    "magento",
-    "magento2",
-    "pricing"
-  ],
-  "type": "magento2-module",
-  "license": [
-    "MIT"
-  ],
-  "authors": [
-    {
-      "name": "Vincent Boon",
-      "email": "vincent@justbetter.nl"
-    }
-  ],
-  "require": {
-    "ext-json": "*",
-    "magento/module-catalog": "*"
-  },
-  "autoload": {
-    "files": [
-      "registration.php"
+    "name": "justbetter/magento2-customer-pricing",
+    "description": "Customer specific pricing module for Magento 2",
+    "keywords": [
+        "magento",
+        "magento2",
+        "pricing"
+    ],
+    "type": "magento2-module",
+    "license": [
+        "MIT"
+    ],
+    "authors": [
+        {
+            "name": "Vincent Boon",
+            "email": "vincent@justbetter.nl"
+        }
     ],
-    "psr-4": {
-      "JustBetter\\CustomerPricing\\": "src"
+    "require": {
+        "ext-json": "*",
+        "magento/module-catalog": "*",
+        "magento/module-eav": "*"
+    },
+    "autoload": {
+        "files": [
+            "registration.php"
+        ],
+        "psr-4": {
+            "JustBetter\\CustomerPricing\\": "src"
+        }
+    },
+    "repositories": {
+        "magento": {
+            "type": "composer",
+            "url": "https://repo.magento.com"
+        }
+    },
+    "config": {
+        "allow-plugins": {
+            "magento/composer-dependency-version-audit-plugin": true
+        }
+    },
+    "require-dev": {
+        "bitexpert/phpstan-magento": "^0.11.0",
+        "phpstan/phpstan": "^1.10"
     }
-  }
 }
diff --git a/phpstan.neon b/phpstan.neon
new file mode 100644
index 0000000..9a78d5b
--- /dev/null
+++ b/phpstan.neon
@@ -0,0 +1,12 @@
+includes:
+	- vendor/bitexpert/phpstan-magento/extension.neon
+
+parameters:
+    paths:
+        - src
+    level: 1
+    ignoreErrors:
+        - '#JustBetter\\CustomerPricing\\Model\\ResourceModel\\CustomerPricing\\CollectionFactory#'
+        - '#JustBetter\\CustomerPricing\\Model\\ResourceModel\\CustomerPricingFactory#'
+        - '#JustBetter\\CustomerPricing\\Model\\CustomerPricingFactory#'
+        - '#Magento\\Eav\\Setup\\EavSetupFactory#'
diff --git a/src/Ui/DataProvider/CustomerPricing/Listing/Collection.php b/src/Ui/DataProvider/CustomerPricing/Listing/Collection.php
index e4d3c59..31fc1b1 100644
--- a/src/Ui/DataProvider/CustomerPricing/Listing/Collection.php
+++ b/src/Ui/DataProvider/CustomerPricing/Listing/Collection.php
@@ -2,7 +2,6 @@
 
 namespace JustBetter\CustomerPricing\Ui\DataProvider\CustomerPricing\Listing;
 
-use Magento\Framework\Data\Collection\AbstractDb;
 use Magento\Framework\Data\Collection\Db\FetchStrategyInterface;
 use Magento\Framework\Data\Collection\EntityFactoryInterface;
 use Magento\Framework\Event\ManagerInterface;
@@ -20,7 +19,6 @@ public function __construct(
         $resourceModel,
         $identifierName = null,
         $connectionName = null,
-        AbstractDb $resource = null
     ) {
         parent::__construct($entityFactory, $logger, $fetchStrategy, $eventManager, $mainTable, $resourceModel, $identifierName, $connectionName);
     }