diff --git a/CHANGES.md b/CHANGES.md
index eaf623d..dba7bd9 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -6,6 +6,7 @@ Changes
 
 ### Unreleased
 
+* 2024-10-14 - Upgrade: Adopt changes from MDL-82183 and use new \core\output\html_writer
 * 2024-10-14 - Upgrade: Adopt changes from MDL-81960 and use new \core\url class
 * 2024-10-14 - Upgrade: Adopt changes from MDL-81818 to remove old bootstrap classes
 * 2024-10-14 - Upgrade: Adopt changes from MDL-81920 and use new \core\lang_string class.
diff --git a/classes/cohort_form.php b/classes/cohort_form.php
index 4681f18..2d09b69 100644
--- a/classes/cohort_form.php
+++ b/classes/cohort_form.php
@@ -24,6 +24,8 @@
 
 namespace local_profilecohort;
 
+use core\output\html_writer;
+
 defined('MOODLE_INTERNAL') || die();
 global $CFG;
 require_once($CFG->libdir.'/formslib.php');
@@ -43,14 +45,14 @@ protected function definition() {
         $mform = $this->_form;
         $cohorts = $this->_customdata['cohorts'];
 
-        $mform->addElement('html', \html_writer::tag('div', get_string('cohortsintro', 'local_profilecohort').'<br />'.
+        $mform->addElement('html', html_writer::tag('div', get_string('cohortsintro', 'local_profilecohort').'<br />'.
                                                      get_string('invisiblecohortsnote', 'local_profilecohort'),
                                                      ['id' => 'intro', 'class' => 'box generalbox']));
 
         if (!$cohorts) {
             $cohorturl = new \core\url('/cohort/index.php');
-            $link = \html_writer::link($cohorturl, get_string('cohorts', 'core_cohort'));
-            $mform->addElement('html', \html_writer::tag('div', get_string('nocohorts', 'local_profilecohort', $link),
+            $link = html_writer::link($cohorturl, get_string('cohorts', 'core_cohort'));
+            $mform->addElement('html', html_writer::tag('div', get_string('nocohorts', 'local_profilecohort', $link),
                                                          ['class' => 'alert alert-warning']));
         } else {
             foreach ($cohorts as $cohort) {
diff --git a/classes/field_base.php b/classes/field_base.php
index 510a0c4..3fe329e 100644
--- a/classes/field_base.php
+++ b/classes/field_base.php
@@ -24,7 +24,7 @@
 
 namespace local_profilecohort;
 
-use html_writer;
+use core\output\html_writer;
 use MoodleQuickForm;
 use stdClass;
 
diff --git a/classes/profilecohort.php b/classes/profilecohort.php
index 9b040ea..a55818f 100644
--- a/classes/profilecohort.php
+++ b/classes/profilecohort.php
@@ -24,7 +24,7 @@
 
 namespace local_profilecohort;
 
-use html_writer;
+use core\output\html_writer;
 
 /**
  * Class profilecohort
@@ -101,7 +101,7 @@ protected function output_members() {
         $tabs = $this->get_tabs();
         $out .= $OUTPUT->render($tabs);
 
-        $out .= \html_writer::tag('div', get_string('membersintro', 'local_profilecohort').'<br/>'.
+        $out .= html_writer::tag('div', get_string('membersintro', 'local_profilecohort').'<br/>'.
                                  get_string('invisiblecohortsnote', 'local_profilecohort'),
                                  ['id' => 'intro', 'class' => 'box generalbox']);
 
diff --git a/classes/profilefields.php b/classes/profilefields.php
index 224234d..7d0b301 100644
--- a/classes/profilefields.php
+++ b/classes/profilefields.php
@@ -25,6 +25,7 @@
 namespace local_profilecohort;
 
 use moodleform;
+use core\output\html_writer;
 
 /**
  * Class profilefields
@@ -204,18 +205,18 @@ public function output_form() {
         $out .= $OUTPUT->render($tabs);
 
         if ($this->action == 'view') {
-            $out .= \html_writer::tag('div', get_string('viewintro', 'local_profilecohort').'<br />'.
+            $out .= html_writer::tag('div', get_string('viewintro', 'local_profilecohort').'<br />'.
                                      get_string('invisiblecohortsnote', 'local_profilecohort'),
                                      ['id' => 'intro', 'class' => 'box generalbox']);
         } else if ($this->action == 'add') {
-            $out .= \html_writer::tag('div', get_string('addintro', 'local_profilecohort').
+            $out .= html_writer::tag('div', get_string('addintro', 'local_profilecohort').
                                      '<br />'.get_string('invisiblecohortsnote', 'local_profilecohort'),
                                      ['id' => 'intro', 'class' => 'box generalbox']);
         }
 
         if (!$this->get_possible_fields()) {
             $profilefieldsurl = new \core\url('/user/profile/index.php');
-            $link = \html_writer::link($profilefieldsurl, get_string('profilefields', 'core_admin'));
+            $link = html_writer::link($profilefieldsurl, get_string('profilefields', 'core_admin'));
             $notification = new \core\output\notification(get_string('nofields', 'local_profilecohort', $link),
                                                           \core\output\notification::NOTIFY_ERROR);
             $notification->set_show_closebutton(false);