diff --git a/core/modules/migrate_drupal/tests/fixtures/drupal6.php b/core/modules/migrate_drupal/tests/fixtures/drupal6.php
index 0badecba79..5dc54da88c 100644
--- a/core/modules/migrate_drupal/tests/fixtures/drupal6.php
+++ b/core/modules/migrate_drupal/tests/fixtures/drupal6.php
@@ -50328,7 +50328,7 @@
 ))
 ->values(array(
   'name' => 'update_fetch_url',
-  'value' => 's:41:"http://updates.drupal.org/release-history";',
+  'value' => 's:34:"http://example.com/release-history";',
 ))
 ->values(array(
   'name' => 'update_max_fetch_attempts',
diff --git a/core/modules/update/src/UpdateFetcher.php b/core/modules/update/src/UpdateFetcher.php
index 263f174510..53ae6ccd5d 100644
--- a/core/modules/update/src/UpdateFetcher.php
+++ b/core/modules/update/src/UpdateFetcher.php
@@ -18,7 +18,7 @@ class UpdateFetcher implements UpdateFetcherInterface {
   /**
    * URL to check for updates, if a given project doesn't define its own.
    */
-  const UPDATE_DEFAULT_URL = 'https://updates.drupal.org/release-history';
+  const UPDATE_DEFAULT_URL = 'http://example.com/release-history';
 
   /**
    * The fetch URL configured in the update settings.
diff --git a/core/modules/update/tests/src/Kernel/Migrate/d6/MigrateUpdateConfigsTest.php b/core/modules/update/tests/src/Kernel/Migrate/d6/MigrateUpdateConfigsTest.php
index 291b708a0b..b9c6289b8a 100644
--- a/core/modules/update/tests/src/Kernel/Migrate/d6/MigrateUpdateConfigsTest.php
+++ b/core/modules/update/tests/src/Kernel/Migrate/d6/MigrateUpdateConfigsTest.php
@@ -33,7 +33,7 @@ protected function setUp(): void {
   public function testUpdateSettings() {
     $config = $this->config('update.settings');
     $this->assertSame(2, $config->get('fetch.max_attempts'));
-    $this->assertSame('https://updates.drupal.org/release-history', $config->get('fetch.url'));
+    $this->assertIdentical('http://example.com/release-history', $config->get('fetch.url'));
     $this->assertSame('all', $config->get('notification.threshold'));
     $this->assertSame([], $config->get('notification.emails'));
     $this->assertSame(7, $config->get('check.interval_days'));
