diff --git a/administrator/components/com_patchtester/helpers/patchtester.php b/administrator/components/com_patchtester/helpers/patchtester.php
index 62c8589..4be5990 100644
--- a/administrator/components/com_patchtester/helpers/patchtester.php
+++ b/administrator/components/com_patchtester/helpers/patchtester.php
@@ -8,6 +8,8 @@
 
 defined('_JEXEC') or die;
 
+use Joomla\Registry\Registry;
+
 /**
  * Helper class for the patch tester component
  *
@@ -27,7 +29,7 @@ abstract class PatchtesterHelper
 	{
 		$params = JComponentHelper::getParams('com_patchtester');
 
-		$options = new JRegistry;
+		$options = new Registry;
 
 		// If an API token is set in the params, use it for authentication
 		if ($params->get('gh_token', ''))
diff --git a/administrator/components/com_patchtester/models/pull.php b/administrator/components/com_patchtester/models/pull.php
index 2bf6b37..c61c422 100644
--- a/administrator/components/com_patchtester/models/pull.php
+++ b/administrator/components/com_patchtester/models/pull.php
@@ -8,6 +8,8 @@
 
 defined('_JEXEC') or die;
 
+use Joomla\Registry\Registry;
+
 /**
  * Methods supporting pull requests.
  *
@@ -154,7 +156,7 @@ class PatchtesterModelPull extends JModelLegacy
 			}
 
 			// Set up the JHttp object
-			$options = new JRegistry;
+			$options = new Registry;
 			$options->set('userAgent', 'JPatchTester/2.0');
 			$options->set('timeout', 120);
 
diff --git a/administrator/components/com_patchtester/views/pulls/view.html.php b/administrator/components/com_patchtester/views/pulls/view.html.php
index 3984248..14da85d 100644
--- a/administrator/components/com_patchtester/views/pulls/view.html.php
+++ b/administrator/components/com_patchtester/views/pulls/view.html.php
@@ -35,7 +35,7 @@ class PatchtesterViewPulls extends JViewLegacy
 	/**
 	 * State object
 	 *
-	 * @var    JRegistry
+	 * @var    \Joomla\Registry\Registry
 	 * @since  1.0
 	 */
 	protected $state;