diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 0085239..02b6f60 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -14,7 +14,9 @@
 Tester\Environment::setup();
 date_default_timezone_set('Europe/Prague');
 
-
+if (PHP_VERSION_ID >= 80400) {
+	error_reporting(E_ALL & ~E_DEPRECATED);
+}
 function test(string $title, Closure $function): void
 {
 	$function();