diff --git a/src/IFramePage.php b/src/IFramePage.php
index f49c63d..95bdc63 100644
--- a/src/IFramePage.php
+++ b/src/IFramePage.php
@@ -7,8 +7,8 @@ use SilverStripe\Forms\DropdownField;
 use SilverStripe\Forms\FieldList;
 use SilverStripe\Forms\TextField;
 use SilverStripe\ORM\FieldType\DBField;
-use SilverStripe\ORM\ValidationException;
-use SilverStripe\ORM\ValidationResult;
+use SilverStripe\Core\Validation\ValidationException;
+use SilverStripe\Core\Validation\ValidationResult;
 
 /**
  * Iframe page type embeds an iframe of URL of choice into the page.
diff --git a/tests/IFramePageTest.php b/tests/IFramePageTest.php
index fb5d0dd..621f168 100644
--- a/tests/IFramePageTest.php
+++ b/tests/IFramePageTest.php
@@ -4,7 +4,7 @@ namespace SilverStripe\IFrame\Tests;
 
 use SilverStripe\Core\Config\Config;
 use SilverStripe\Control\Director;
-use SilverStripe\ORM\ValidationException;
+use SilverStripe\Core\Validation\ValidationException;
 use SilverStripe\Dev\SapphireTest;
 use SilverStripe\IFrame\IFramePage;
 use SilverStripe\IFrame\IFramePageController;