diff --git a/src/Reports/BrokenExternalLinksReport.php b/src/Reports/BrokenExternalLinksReport.php
index e3d290e..00df52c 100644
--- a/src/Reports/BrokenExternalLinksReport.php
+++ b/src/Reports/BrokenExternalLinksReport.php
@@ -6,7 +6,7 @@
 use SilverStripe\ExternalLinks\Model\BrokenExternalPageTrackStatus;
 use SilverStripe\Forms\LiteralField;
 use SilverStripe\Forms\FormAction;
-use SilverStripe\ORM\ArrayList;
+use SilverStripe\Model\List\ArrayList;
 use SilverStripe\Reports\Report;
 use SilverStripe\View\Requirements;
 
diff --git a/src/Tasks/CheckExternalLinksTask.php b/src/Tasks/CheckExternalLinksTask.php
index 9dbb851..1b8318b 100644
--- a/src/Tasks/CheckExternalLinksTask.php
+++ b/src/Tasks/CheckExternalLinksTask.php
@@ -15,7 +15,7 @@
 use SilverStripe\ExternalLinks\Tasks\LinkChecker;
 use SilverStripe\ORM\DataObject;
 use SilverStripe\ORM\DB;
-use SilverStripe\ORM\ValidationException;
+use SilverStripe\Core\Validation\ValidationException;
 use SilverStripe\View\Parsers\HTMLValue;
 
 class CheckExternalLinksTask extends BuildTask