diff --git a/modules/localgov_directories_location/src/EventSubscriber/SearchApiSubscriber.php b/modules/localgov_directories_location/src/EventSubscriber/SearchApiSubscriber.php
index b9e5d77..792e13e 100644
--- a/modules/localgov_directories_location/src/EventSubscriber/SearchApiSubscriber.php
+++ b/modules/localgov_directories_location/src/EventSubscriber/SearchApiSubscriber.php
@@ -32,7 +32,7 @@ public function __construct(DefaultFacetManager $facet_manager) {
   /**
    * {@inheritdoc}
    */
-  public static function getSubscribedEvents() {
+  public static function getSubscribedEvents(): array {
     return [
       SearchApiEvents::QUERY_PRE_EXECUTE => 'queryPreExecute',
     ];
diff --git a/src/EventSubscriber/DirectoriesConfigSubscriber.php b/src/EventSubscriber/DirectoriesConfigSubscriber.php
index f70ce8a..15fd1ad 100644
--- a/src/EventSubscriber/DirectoriesConfigSubscriber.php
+++ b/src/EventSubscriber/DirectoriesConfigSubscriber.php
@@ -130,7 +130,7 @@ protected function ignoreConfigNames(StorageInterface $storage) {
   /**
    * {@inheritdoc}
    */
-  public static function getSubscribedEvents() {
+  public static function getSubscribedEvents(): array {
     $events[ConfigEvents::STORAGE_TRANSFORM_IMPORT][] = ['onImportTransform'];
     $events[ConfigEvents::STORAGE_TRANSFORM_EXPORT][] = ['onExportTransform'];
     return $events;