diff --git a/.travis.yml b/.travis.yml
index 9554ee2ab..82d3d5593 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,7 +14,7 @@ addons:
 language: php
 
 php:
-  - 8.1
+  - 8.0
 
 services:
   - docker
diff --git a/rector.php b/rector.php
index 255cdd2ea..2e9f4b7d2 100644
--- a/rector.php
+++ b/rector.php
@@ -24,7 +24,7 @@
   //   Should we try and load \Drupal::VERSION and check?
   $containerConfigurator->import(__DIR__ . '/vendor/palantirnet/drupal-rector/config/drupal-8/drupal-8-all-deprecations.php');
   $containerConfigurator->import(__DIR__ . '/vendor/palantirnet/drupal-rector/config/drupal-9/drupal-9-all-deprecations.php');
-  $containerConfigurator->import(SetList::PHP_81);
+  $containerConfigurator->import(SetList::PHP_80);
   $parameters = $containerConfigurator->parameters();
 
   $drupalFinder = new DrupalFinder();
@@ -37,7 +37,7 @@
     $drupalRoot . '/themes',
   ]);
 
-  $parameters->set(Option::PHP_VERSION_FEATURES, PhpVersion::PHP_81);
+  $parameters->set(Option::PHP_VERSION_FEATURES, PhpVersion::PHP_80);
   $parameters->set(Option::SKIP, ['*/upgrade_status/tests/modules/*']);
   $parameters->set(Option::FILE_EXTENSIONS, ['php', 'module', 'theme', 'install', 'profile', 'inc', 'engine']);
   $parameters->set(Option::AUTO_IMPORT_NAMES, TRUE);