diff --git a/src/Plugin/monitoring/SensorPlugin/UpdateStatusSensorPlugin.php b/src/Plugin/monitoring/SensorPlugin/UpdateStatusSensorPlugin.php
index 93f2c32..62d63a4 100644
--- a/src/Plugin/monitoring/SensorPlugin/UpdateStatusSensorPlugin.php
+++ b/src/Plugin/monitoring/SensorPlugin/UpdateStatusSensorPlugin.php
@@ -6,8 +6,10 @@
 
 namespace Drupal\monitoring\Plugin\monitoring\SensorPlugin;
 
+use Drupal\Core\Extension\Requirement\RequirementSeverity;
 use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\monitoring\Attribute\SensorPlugin;
+use Drupal\monitoring\Entity\SensorResultDataInterface;
 use Drupal\monitoring\Result\SensorResultInterface;
 use Drupal\monitoring\SensorPlugin\SensorPluginBase;
 use Drupal\update\UpdateFetcherInterface;
@@ -191,28 +193,23 @@ class UpdateStatusSensorPlugin extends SensorPluginBase {
       $requirements = \Drupal::moduleHandler()->invoke('update', 'runtime_requirements');
     }
 
-    $update_info = array();
-    if (isset($requirements['update_' . $type])) {
-      $update_info = $requirements['update_' . $type];
-    }
-    $update_info += array(
-      'severity' => REQUIREMENT_OK,
-    );
+    $update_info = $requirements['update_' . $type] ?? [];
+    $update_info += [
+      'severity' => RequirementSeverity::OK,
+    ];
 
-    if ($update_info['severity'] == REQUIREMENT_OK) {
-      return SensorResultInterface::STATUS_OK;
+    if ($update_info['severity'] === RequirementSeverity::OK) {
+      return SensorResultDataInterface::STATUS_OK;
     }
-    elseif ($update_info['severity'] == REQUIREMENT_INFO) {
-      return SensorResultInterface::STATUS_INFO;
+    if ($update_info['severity'] === RequirementSeverity::Info) {
+      return SensorResultDataInterface::STATUS_INFO;
     }
     // If the level is warning, which is updates available, we do not need to
     // escalate.
-    elseif ($update_info['severity'] == REQUIREMENT_WARNING) {
-      return SensorResultInterface::STATUS_INFO;
-    }
-    else {
-      return SensorResultInterface::STATUS_CRITICAL;
+    if ($update_info['severity'] === RequirementSeverity::Warning) {
+      return SensorResultDataInterface::STATUS_INFO;
     }
+    return SensorResultDataInterface::STATUS_CRITICAL;
   }
 
 }