1 files changed, 1 insertions, 1 deletions

diff --git a/tests/config/ConfigPhpTest.php b/tests/config/ConfigPhpTest.php
index fb91b51b..a9aa80f5 100644
--- a/tests/config/ConfigPhpTest.php
+++ b/tests/config/ConfigPhpTest.php
@@ -15,7 +15,7 @@ class ConfigPhpTest extends \PHPUnit\Framework\TestCase
      */
     protected $configIO;
 
-    public function setUp()
+    protected function setUp(): void
     {
         $this->configIO = new ConfigPhp();
     }