diff --git a/src/Controller/SupermonitoringController.php b/src/Controller/SupermonitoringController.php
index 6286af5..4ccd312 100644
--- a/src/Controller/SupermonitoringController.php
+++ b/src/Controller/SupermonitoringController.php
@@ -67,7 +67,7 @@ class SupermonitoringController extends ControllerBase {
 
 	    if ($token == NULL || empty($token)) {	     
 	      $url = Url::fromRoute('supermonitoring_settings.admin');
-		  $link = \Drupal::l(t('Configuration > User Interface > Super Monitoring'), $url); 
+		  $link = Link::fromTextAndUrl(t('Configuration > User Interface > Super Monitoring'), $url); 
 
 		  $output = t("Go to the configuration and enter your token " . $link);
 	    }
@@ -86,7 +86,7 @@ class SupermonitoringController extends ControllerBase {
 
 	    if ($token == NULL || empty($token)) {	     
 	      $url = Url::fromRoute('supermonitoring_settings.admin');
-		  $link = \Drupal::l(t('Configuration > User Interface > Super Monitoring'), $url); 
+		  $link = Link::fromTextAndUrl(t('Configuration > User Interface > Super Monitoring'), $url); 
 
 		  $output = t("Go to the configuration and enter your token " . $link);
 	    }
@@ -105,7 +105,7 @@ class SupermonitoringController extends ControllerBase {
 
 	    if ($token == NULL || empty($token)) {	     
 	      $url = Url::fromRoute('supermonitoring_settings.admin');
-		  $link = \Drupal::l(t('Configuration > User Interface > Super Monitoring'), $url); 
+		  $link = Link::fromTextAndUrl(t('Configuration > User Interface > Super Monitoring'), $url); 
 
 		  $output = t("Go to the configuration and enter your token " . $link);
 	    }
diff --git a/supermonitoring.info.yml b/supermonitoring.info.yml
index ba50eb9..aec753e 100644
--- a/supermonitoring.info.yml
+++ b/supermonitoring.info.yml
@@ -9,6 +9,7 @@ configure: supermonitoring_settings.admin
 # Information added by Drupal.org packaging script on 2016-11-23
 version: '8.x-1.0'
 core: '8.x'
+core_version_requirement: ^8 || ^9
 project: 'supermonitoring'
 datestamp: 1479940386
 interface translation project: supermonitoring