diff --git a/config_update_ui/src/Logger/ConfigUpdateUiDrush8Logger.php b/config_update_ui/src/Logger/ConfigUpdateUiDrush8Logger.php
index 397cd4a..351de58 100644
--- a/config_update_ui/src/Logger/ConfigUpdateUiDrush8Logger.php
+++ b/config_update_ui/src/Logger/ConfigUpdateUiDrush8Logger.php
@@ -81,4 +81,16 @@ class ConfigUpdateUiDrush8Logger implements LoggerInterface {
     drush_log($message, $error_type);
   }
 
+  /**
+   * Implements a success() method to emulate \Consolidation\Log\Logger.
+   *
+   * @param string $message
+   *   Translated message to print to STDERR.
+   * @param array $context
+   *   Ignored in this implementation.
+   */
+  public function success($message, array $context = array()) {
+    drush_print($message, 0, STDERR);
+  }
+
 }