diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 33e77aa..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,35 +0,0 @@
-language: php
-dist: xenial
-
-php:
-  - 7.3
-
-services:
-  - mysql
-
-cache:
-  apt: true
-  directories:
-  - "$HOME/.composer/cache"
-  - "$HOME/.drush/cache"
-  - "$HOME/.npm"
-
-branches:
-  only:
-  - /^8\.([0-9]+|x)\-[0-9]+\.([0-9]+|x)$/
-
-env:
-  global:
-    - PATH="$PATH:$HOME/.composer/vendor/bin"
-
-before_install:
-  - composer global require thunder/drupal-testing
-
-before_script:
-  - phpenv config-rm xdebug.ini
-
-script:
-  - test-drupal-project
-
-notifications:
-  email: false
diff --git a/composer.json b/composer.json
index 2167f6e..314d0d3 100644
--- a/composer.json
+++ b/composer.json
@@ -22,8 +22,9 @@
         }
     ],
     "require": {
-        "drupal/config_update": "^1.5",
-        "symfony/console": "^4.4.15 || ^5.1",
+        "drupal/core": "^9 || ^10",
+        "drupal/config_update": "^1.5 || ^2.0",
+        "symfony/console": "^4.4.15 || ^5.1 || ^6.1",
         "chi-teck/drupal-code-generator": "^2.4"
     },
     "require-dev": {
diff --git a/modules/update_helper_checklist/tests/src/Kernel/UpdateChecklistTest.php b/modules/update_helper_checklist/tests/src/Kernel/UpdateChecklistTest.php
index 5fcd6e2..863f74e 100644
--- a/modules/update_helper_checklist/tests/src/Kernel/UpdateChecklistTest.php
+++ b/modules/update_helper_checklist/tests/src/Kernel/UpdateChecklistTest.php
@@ -33,7 +33,7 @@ class UpdateChecklistTest extends KernelTestBase {
   /**
    * Install entity schema for Update entity.
    */
-  protected function setUp() {
+  protected function setUp(): void {
     parent::setUp();
 
     $this->installEntitySchema('update_helper_checklist_update');
diff --git a/modules/update_helper_checklist/update_helper_checklist.info.yml b/modules/update_helper_checklist/update_helper_checklist.info.yml
index aaace53..97c4bc4 100644
--- a/modules/update_helper_checklist/update_helper_checklist.info.yml
+++ b/modules/update_helper_checklist/update_helper_checklist.info.yml
@@ -1,8 +1,7 @@
 name: 'Update Helper Checklist'
 description: 'Provide integration of Update Helper module with checklist.'
 type: module
-core: 8.x
-core_version_requirement: ^8 || ^9
+core_version_requirement: ^9.4 || ^10
 dependencies:
   - update_helper:update_helper
   - checklistapi:checklistapi
diff --git a/src/Generators/ConfigurationUpdate.php b/src/Generators/ConfigurationUpdate.php
index 5cfb74f..21529d2 100644
--- a/src/Generators/ConfigurationUpdate.php
+++ b/src/Generators/ConfigurationUpdate.php
@@ -111,7 +111,7 @@ class ConfigurationUpdate extends DrupalGenerator {
       // from 0001.
       /** @var \Drupal\Core\Update\UpdateRegistry $service */
       $service = \Drupal::service('update.post_update_registry');
-      $updates = array_merge($service->getModuleUpdateFunctions($vars['module']), array_keys($service->getRemovedPostUpdates($vars['module'])));
+      $updates = array_merge($service->getUpdateFunctions($vars['module']), array_keys($service->getRemovedPostUpdates($vars['module'])));
       $lastUpdate = 0;
       foreach($updates as $update) {
         if (preg_match('/^'. preg_quote($vars['module']) . '_post_update_(\d*)_.*$/', $update, $matches)) {
diff --git a/tests/src/Kernel/ConfigHandlerTest.php b/tests/src/Kernel/ConfigHandlerTest.php
index fe718f4..970f789 100644
--- a/tests/src/Kernel/ConfigHandlerTest.php
+++ b/tests/src/Kernel/ConfigHandlerTest.php
@@ -97,7 +97,9 @@ EOF;
     // See \Drupal\KernelTests\Core\File\FileTestBase::setUpFilesystem().
     $public_file_directory = $this->siteDirectory . '/files';
 
-    require_once 'core/includes/file.inc';
+    if (version_compare(\Drupal::VERSION, '10', '<')) {
+      require_once 'core/includes/file.inc';
+    }
 
     mkdir($this->siteDirectory, 0775);
     mkdir($this->siteDirectory . '/files', 0775);
diff --git a/update_helper.info.yml b/update_helper.info.yml
index 897f994..03f175b 100644
--- a/update_helper.info.yml
+++ b/update_helper.info.yml
@@ -1,7 +1,7 @@
 name: 'Update Helper'
 description: 'Helper tool for generation and applying of configuration updates.'
 type: module
-core_version_requirement: ^9
+core_version_requirement: ^9.4 || ^10
 dependencies:
   - config_update:config_update
 package: Configuration