diff --git a/modules/string_tmgmt/src/Plugin/tmgmt/Source/StringSource.php b/modules/string_tmgmt/src/Plugin/tmgmt/Source/StringSource.php
index f49a11d2fd1be960d271b4094f4064bfd04eda25..7d18aec774d5f39033718febed2793a18f57602a 100644
--- a/modules/string_tmgmt/src/Plugin/tmgmt/Source/StringSource.php
+++ b/modules/string_tmgmt/src/Plugin/tmgmt/Source/StringSource.php
@@ -3,6 +3,7 @@
 namespace Drupal\string_tmgmt\Plugin\tmgmt\Source;
 
 use Drupal\Core\StringTranslation\StringTranslationTrait;
+use Drupal\tmgmt\JobItemInterface;
 use Drupal\tmgmt_locale\Plugin\tmgmt\Source\LocaleSource;
 
 /**