diff --git a/core/tests/Drupal/Tests/ComposerIntegrationTest.php b/core/tests/Drupal/Tests/ComposerIntegrationTest.php
index af6e280..e7012e8 100644
--- a/core/tests/Drupal/Tests/ComposerIntegrationTest.php
+++ b/core/tests/Drupal/Tests/ComposerIntegrationTest.php
@@ -15,6 +15,8 @@ class ComposerIntegrationTest extends UnitTestCase {
    * The minimum PHP version supported by Drupal.
    *
    * @see https://www.drupal.org/docs/8/system-requirements/web-server
+   *
+   * @todo Remove as part of https://www.drupal.org/node/2908079
    */
   const MIN_PHP_VERSION = '5.5.9';