1 files changed, 1 insertions, 1 deletions
diff --git a/tests/Unit/BackgroundJob/CleanUpJobTest.php b/tests/Unit/BackgroundJob/CleanUpJobTest.php
index a2e6bc1..d5018c2 100644
--- a/tests/Unit/BackgroundJob/CleanUpJobTest.php
+++ b/tests/Unit/BackgroundJob/CleanUpJobTest.php
@@ -38,7 +38,7 @@ class CleanUpJobTest extends MapperTestUtility
     /** @var IConfige|\PHPUnit_Framework_MockObject_MockObject */
     protected $config;
 
-    public function setUp()
+    public function setUp(): void
     {
         parent::setUp();