5 files changed, 5 insertions, 5 deletions
diff --git a/tests/extension/extension_base_test.php b/tests/extension/extension_base_test.php
index e0c2e6d549..1f44fdb234 100644
--- a/tests/extension/extension_base_test.php
+++ b/tests/extension/extension_base_test.php
@@ -30,7 +30,7 @@ class phpbb_extension_extension_base_test extends phpbb_test_case
 		self::$reflection_method_get_migration_file_list->setAccessible(true);
 	}
 
-	public function setUp()
+	public function setUp(): void
 	{
 		$container = new phpbb_mock_container_builder();
 		$migrator = new phpbb_mock_migrator();
diff --git a/tests/extension/finder_test.php b/tests/extension/finder_test.php
index 967876b9ae..7649b4f19a 100644
--- a/tests/extension/finder_test.php
+++ b/tests/extension/finder_test.php
@@ -18,7 +18,7 @@ class phpbb_extension_finder_test extends phpbb_test_case
 	/** @var \phpbb\finder */
 	protected $finder;
 
-	public function setUp()
+	public function setUp(): void
 	{
 		$this->extension_manager = new phpbb_mock_extension_manager(
 			dirname(__FILE__) . '/',
diff --git a/tests/extension/manager_test.php b/tests/extension/manager_test.php
index f619d4c19d..231af81a39 100644
--- a/tests/extension/manager_test.php
+++ b/tests/extension/manager_test.php
@@ -26,7 +26,7 @@ class phpbb_extension_manager_test extends phpbb_database_test_case
 		return $this->createXMLDataSet(dirname(__FILE__) . '/fixtures/extensions.xml');
 	}
 
-	protected function setUp()
+	protected function setUp(): void
 	{
 		parent::setUp();
 
diff --git a/tests/extension/metadata_manager_test.php b/tests/extension/metadata_manager_test.php
index 39b0576df6..a2f0542979 100644
--- a/tests/extension/metadata_manager_test.php
+++ b/tests/extension/metadata_manager_test.php
@@ -32,7 +32,7 @@ class phpbb_extension_metadata_manager_test extends phpbb_database_test_case
 		return $this->createXMLDataSet(dirname(__FILE__) . '/fixtures/extensions.xml');
 	}
 
-	protected function setUp()
+	protected function setUp(): void
 	{
 		parent::setUp();
 
diff --git a/tests/extension/modules_test.php b/tests/extension/modules_test.php
index 20b71e2812..f8c65bc147 100644
--- a/tests/extension/modules_test.php
+++ b/tests/extension/modules_test.php
@@ -24,7 +24,7 @@ class phpbb_extension_modules_test extends phpbb_test_case
 	protected $finder;
 	protected $module_manager;
 
-	public function setUp()
+	public function setUp(): void
 	{
 		global $phpbb_extension_manager;