diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..ce7790d
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,11 @@
+name: CI
+
+on:
+    push: ~
+    pull_request: ~
+
+permissions: read-all
+
+jobs:
+    ci:
+        uses: 'terminal42/contao-build-tools/.github/workflows/build-tools.yml@main'
diff --git a/composer-dependency-analyser.php b/composer-dependency-analyser.php
new file mode 100644
index 0000000..1dd00c9
--- /dev/null
+++ b/composer-dependency-analyser.php
@@ -0,0 +1,12 @@
+<?php
+
+use ShipMonk\ComposerDependencyAnalyser\Config\Configuration;
+use ShipMonk\ComposerDependencyAnalyser\Config\ErrorType;
+
+return (new Configuration())
+    ->ignoreErrorsOnPackage('doctrine/dbal', [ErrorType::SHADOW_DEPENDENCY])
+    ->ignoreErrorsOnPackage('symfony/config', [ErrorType::SHADOW_DEPENDENCY])
+    ->ignoreErrorsOnPackage('symfony/dependency-injection', [ErrorType::SHADOW_DEPENDENCY])
+    ->ignoreErrorsOnPackage('symfony/http-foundation', [ErrorType::SHADOW_DEPENDENCY])
+    ->ignoreErrorsOnPackage('symfony/http-kernel', [ErrorType::SHADOW_DEPENDENCY])
+;
diff --git a/composer.json b/composer.json
index 17a0b52..492bbb1 100644
--- a/composer.json
+++ b/composer.json
@@ -43,5 +43,13 @@
     },
     "extra": {
         "contao-manager-plugin": "Terminal42\\RootcontentBundle\\ContaoManager\\Plugin"
+    },
+    "config": {
+        "allow-plugins": {
+            "contao-components/installer": false,
+            "php-http/discovery": false,
+            "contao/manager-plugin": false,
+            "terminal42/contao-build-tools": true
+        }
     }
 }
diff --git a/contao/templates/mod_rootcontent.html5 b/contao/templates/mod_rootcontent.html5
index 2dca091..999ca7e 100644
--- a/contao/templates/mod_rootcontent.html5
+++ b/contao/templates/mod_rootcontent.html5
@@ -1 +1 @@
-<?= $this->article ?>
\ No newline at end of file
+<?= $this->article;
diff --git a/src/ContaoManager/Plugin.php b/src/ContaoManager/Plugin.php
index 891a59c..0253dda 100644
--- a/src/ContaoManager/Plugin.php
+++ b/src/ContaoManager/Plugin.php
@@ -12,7 +12,7 @@
 
 class Plugin implements BundlePluginInterface
 {
-    public function getBundles(ParserInterface $parser)
+    public function getBundles(ParserInterface $parser): array
     {
         return [
             BundleConfig::create(Terminal42RootcontentBundle::class)->setLoadAfter([ContaoCoreBundle::class]),
diff --git a/src/Controller/RootcontentController.php b/src/Controller/RootcontentController.php
index 7549b82..c60b422 100644
--- a/src/Controller/RootcontentController.php
+++ b/src/Controller/RootcontentController.php
@@ -31,7 +31,7 @@ protected function getResponse(Template $template, ModuleModel $model, Request $
             return new Response('');
         }
 
-        $article = $this->getArticle($pageModel->rootId, $model->rootcontent);
+        $article = $this->getArticle((int) $pageModel->rootId, $model->rootcontent);
 
         if (null === $article) {
             return new Response('');
@@ -42,7 +42,7 @@ protected function getResponse(Template $template, ModuleModel $model, Request $
         return $template->getResponse();
     }
 
-    private function getArticle($rootPageId, $section): ArticleModel|null
+    private function getArticle(int $rootPageId, string $section): ArticleModel|null
     {
         $cols = ['tl_article.pid=?', 'tl_article.title=?'];
 
diff --git a/src/EventListener/ArticleSectionListener.php b/src/EventListener/ArticleSectionListener.php
index f65ee90..66b2340 100644
--- a/src/EventListener/ArticleSectionListener.php
+++ b/src/EventListener/ArticleSectionListener.php
@@ -30,7 +30,7 @@ public function __invoke(DataContainer $dc): void
             return;
         }
 
-        $page = $this->getPage($dc->id);
+        $page = $this->getPage((int) $dc->id);
 
         if ('root' === $page['type']) {
             $GLOBALS['TL_DCA']['tl_article']['palettes']['default'] = '{title_legend},title,author;{template_legend:hide},customTpl;{protected_legend:hide},protected;{expert_legend:hide},guests,cssID;{publish_legend},published,start,stop';
@@ -51,10 +51,9 @@ public function __invoke(DataContainer $dc): void
         }
     }
 
-    private function getPage($articleId): array|null
+    private function getPage(int $articleId): array|null
     {
         $qb = $this->database->createQueryBuilder();
-
         $qb
             ->select('tl_page.*')
             ->from('tl_article')
@@ -69,7 +68,6 @@ private function getPage($articleId): array|null
     private function getTheme(int $layoutId): array|null
     {
         $qb = $this->database->createQueryBuilder();
-
         $qb
             ->select('tl_theme.*')
             ->from('tl_theme')
@@ -84,7 +82,6 @@ private function getTheme(int $layoutId): array|null
     private function getExistingSections(int $pageId, int $articleId = 0): array
     {
         $qb = $this->database->createQueryBuilder();
-
         $qb
             ->select('title')
             ->from('tl_article')
diff --git a/src/EventListener/RootCssClassListener.php b/src/EventListener/RootCssClassListener.php
index 24cb36d..b761850 100644
--- a/src/EventListener/RootCssClassListener.php
+++ b/src/EventListener/RootCssClassListener.php
@@ -16,7 +16,7 @@ class RootCssClassListener
 {
     public function __invoke(PageModel $objPage, LayoutModel $objLayout): void
     {
-        $rootPage = PageModel::findByPk($objPage->rootId);
+        $rootPage = PageModel::findById($objPage->rootId);
 
         if (null !== $rootPage && $cssClass = $rootPage->cssClass) {
             $objLayout->cssClass = $cssClass.' '.$objLayout->cssClass;
diff --git a/src/EventListener/RootLimitListener.php b/src/EventListener/RootLimitListener.php
index 6968073..2e53f7f 100644
--- a/src/EventListener/RootLimitListener.php
+++ b/src/EventListener/RootLimitListener.php
@@ -25,7 +25,6 @@ public function __construct(private readonly Connection $database)
     public function onRootLimitOptions(): array
     {
         $qb = $this->database->createQueryBuilder();
-
         $qb
             ->select('id, title, dns, language')
             ->from('tl_page')
diff --git a/src/Routing/RootPageContentComposition.php b/src/Routing/RootPageContentComposition.php
index cec0acd..875976e 100644
--- a/src/Routing/RootPageContentComposition.php
+++ b/src/Routing/RootPageContentComposition.php
@@ -38,7 +38,6 @@ public function supportsContentComposition(PageModel $pageModel): bool
         $definedSections = StringUtil::deserialize($qb->execute()->fetchOne(), true);
 
         $qb = $this->connection->createQueryBuilder();
-
         $qb
             ->select('title')
             ->from('tl_article')