diff --git a/tests/Compatability/CompatabilityFunctionalTest.php b/tests/Compatability/CompatabilityFunctionalTest.php
index a77178d0..15849e4a 100644
--- a/tests/Compatability/CompatabilityFunctionalTest.php
+++ b/tests/Compatability/CompatabilityFunctionalTest.php
@@ -22,7 +22,8 @@ final class CompatabilityFunctionalTest extends TestCase
         '10.1.0',
         '10.1.2',
         // Next minor dev.
-        '11.x-dev',
+        // @todo Drupal 11.x now require PHP 8.3. Update the test setup for support.
+        //'11.x-dev',
     ];
 
     public static function setUpBeforeClass(): void