1 files changed, 1 insertions, 1 deletions

diff --git a/tests/api/ApiUtilsTest.php b/tests/api/ApiUtilsTest.php
index 7efec9bb..e8075a5d 100644
--- a/tests/api/ApiUtilsTest.php
+++ b/tests/api/ApiUtilsTest.php
@@ -13,7 +13,7 @@ class ApiUtilsTest extends \PHPUnit\Framework\TestCase
     /**
      * Force the timezone for ISO datetimes.
      */
-    public static function setUpBeforeClass()
+    public static function setUpBeforeClass(): void
     {
         date_default_timezone_set('UTC');
     }