diff --git a/tests/filters/localDate.phpt b/tests/filters/localDate.phpt
index b006fae4c..76645a83b 100644
--- a/tests/filters/localDate.phpt
+++ b/tests/filters/localDate.phpt
@@ -13,6 +13,9 @@ use Tester\Assert;
 require __DIR__ . '/../bootstrap.php';
 
 
+var_dump(INTL_ICU_DATA_VERSION);
+var_dump(INTL_ICU_VERSION);
+
 test('datatypes', function () {
 	$filters = new Filters;
 	$filters->locale = 'cs_CZ';