diff --git a/.gitignore b/.gitignore
index 0f8c803..2111d8d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,3 +22,6 @@ config/
 
 # CGL Fixer
 .php_cs.cache
+
+# PHP Lint
+.phplint.cache
diff --git a/Tests/Unit/PageRendererPreProcessTest.php b/Tests/Unit/PageRendererPreProcessTest.php
index ad1b4e2..ba7c321 100644
--- a/Tests/Unit/PageRendererPreProcessTest.php
+++ b/Tests/Unit/PageRendererPreProcessTest.php
@@ -22,7 +22,7 @@ class PageRendererPreProcessTest extends UnitTestCase
     protected $templateService;
     protected $assetCollector;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
         $tsfeProphecy = $this->prophesize(TypoScriptFrontendController::class);