diff --git a/CRM/Expiredcreditcards/Upgrader.php b/CRM/Expiredcreditcards/Upgrader.php
new file mode 100644
index 0000000..8955600
--- /dev/null
+++ b/CRM/Expiredcreditcards/Upgrader.php
@@ -0,0 +1,23 @@
+<?php
+use CRM_Expiredcreditcards_ExtensionUtil as E;
+
+/**
+ * Collection of upgrade steps.
+ */
+class CRM_Expiredcreditcards_Upgrader extends CRM_Expiredcreditcards_Upgrader_Base {
+
+  /**
+   * Update 100 function
+   *
+   * @return TRUE on success
+   * @throws Exception
+   */
+  public function upgrade_100() {
+    $this->ctx->log->info('Applying update 100 - Fix incorrect option value: Credit Card Expired');
+    // Fix some CiviCRM sites which have the incorrect name set for this option
+    CRM_Core_DAO::executeQuery('UPDATE `civicrm_option_value` SET `name` = "Credit_Card_Expired" WHERE `name` = "Credit Card Expired"');
+
+    return TRUE;
+  }
+
+}
diff --git a/CRM/Expiredcreditcards/Upgrader/Base.php b/CRM/Expiredcreditcards/Upgrader/Base.php
new file mode 100644
index 0000000..e6fe92e
--- /dev/null
+++ b/CRM/Expiredcreditcards/Upgrader/Base.php
@@ -0,0 +1,396 @@
+<?php
+
+// AUTO-GENERATED FILE -- Civix may overwrite any changes made to this file
+use CRM_Expiredcreditcards_ExtensionUtil as E;
+
+/**
+ * Base class which provides helpers to execute upgrade logic
+ */
+class CRM_Expiredcreditcards_Upgrader_Base {
+
+  /**
+   * @var CRM_Expiredcreditcards_Upgrader_Base
+   */
+  public static $instance;
+
+  /**
+   * @var CRM_Queue_TaskContext
+   */
+  protected $ctx;
+
+  /**
+   * @var string
+   *   eg 'com.example.myextension'
+   */
+  protected $extensionName;
+
+  /**
+   * @var string
+   *   full path to the extension's source tree
+   */
+  protected $extensionDir;
+
+  /**
+   * @var array
+   *   sorted numerically
+   */
+  private $revisions;
+
+  /**
+   * @var bool
+   *   Flag to clean up extension revision data in civicrm_setting
+   */
+  private $revisionStorageIsDeprecated = FALSE;
+
+  /**
+   * Obtain a reference to the active upgrade handler.
+   */
+  public static function instance() {
+    if (!self::$instance) {
+      self::$instance = new CRM_Expiredcreditcards_Upgrader(
+        'au.com.agileware.expiredcreditcards',
+        E::path()
+      );
+    }
+    return self::$instance;
+  }
+
+  /**
+   * Adapter that lets you add normal (non-static) member functions to the queue.
+   *
+   * Note: Each upgrader instance should only be associated with one
+   * task-context; otherwise, this will be non-reentrant.
+   *
+   * ```
+   * CRM_Expiredcreditcards_Upgrader_Base::_queueAdapter($ctx, 'methodName', 'arg1', 'arg2');
+   * ```
+   */
+  public static function _queueAdapter() {
+    $instance = self::instance();
+    $args = func_get_args();
+    $instance->ctx = array_shift($args);
+    $instance->queue = $instance->ctx->queue;
+    $method = array_shift($args);
+    return call_user_func_array([$instance, $method], $args);
+  }
+
+  /**
+   * CRM_Expiredcreditcards_Upgrader_Base constructor.
+   *
+   * @param $extensionName
+   * @param $extensionDir
+   */
+  public function __construct($extensionName, $extensionDir) {
+    $this->extensionName = $extensionName;
+    $this->extensionDir = $extensionDir;
+  }
+
+  // ******** Task helpers ********
+
+  /**
+   * Run a CustomData file.
+   *
+   * @param string $relativePath
+   *   the CustomData XML file path (relative to this extension's dir)
+   * @return bool
+   */
+  public function executeCustomDataFile($relativePath) {
+    $xml_file = $this->extensionDir . '/' . $relativePath;
+    return $this->executeCustomDataFileByAbsPath($xml_file);
+  }
+
+  /**
+   * Run a CustomData file
+   *
+   * @param string $xml_file
+   *   the CustomData XML file path (absolute path)
+   *
+   * @return bool
+   */
+  protected function executeCustomDataFileByAbsPath($xml_file) {
+    $import = new CRM_Utils_Migrate_Import();
+    $import->run($xml_file);
+    return TRUE;
+  }
+
+  /**
+   * Run a SQL file.
+   *
+   * @param string $relativePath
+   *   the SQL file path (relative to this extension's dir)
+   *
+   * @return bool
+   */
+  public function executeSqlFile($relativePath) {
+    CRM_Utils_File::sourceSQLFile(
+      CIVICRM_DSN,
+      $this->extensionDir . DIRECTORY_SEPARATOR . $relativePath
+    );
+    return TRUE;
+  }
+
+  /**
+   * Run the sql commands in the specified file.
+   *
+   * @param string $tplFile
+   *   The SQL file path (relative to this extension's dir).
+   *   Ex: "sql/mydata.mysql.tpl".
+   *
+   * @return bool
+   * @throws \CRM_Core_Exception
+   */
+  public function executeSqlTemplate($tplFile) {
+    // Assign multilingual variable to Smarty.
+    $upgrade = new CRM_Upgrade_Form();
+
+    $tplFile = CRM_Utils_File::isAbsolute($tplFile) ? $tplFile : $this->extensionDir . DIRECTORY_SEPARATOR . $tplFile;
+    $smarty = CRM_Core_Smarty::singleton();
+    $smarty->assign('domainID', CRM_Core_Config::domainID());
+    CRM_Utils_File::sourceSQLFile(
+      CIVICRM_DSN, $smarty->fetch($tplFile), NULL, TRUE
+    );
+    return TRUE;
+  }
+
+  /**
+   * Run one SQL query.
+   *
+   * This is just a wrapper for CRM_Core_DAO::executeSql, but it
+   * provides syntactic sugar for queueing several tasks that
+   * run different queries
+   *
+   * @return bool
+   */
+  public function executeSql($query, $params = []) {
+    // FIXME verify that we raise an exception on error
+    CRM_Core_DAO::executeQuery($query, $params);
+    return TRUE;
+  }
+
+  /**
+   * Syntactic sugar for enqueuing a task which calls a function in this class.
+   *
+   * The task is weighted so that it is processed
+   * as part of the currently-pending revision.
+   *
+   * After passing the $funcName, you can also pass parameters that will go to
+   * the function. Note that all params must be serializable.
+   */
+  public function addTask($title) {
+    $args = func_get_args();
+    $title = array_shift($args);
+    $task = new CRM_Queue_Task(
+      [get_class($this), '_queueAdapter'],
+      $args,
+      $title
+    );
+    return $this->queue->createItem($task, ['weight' => -1]);
+  }
+
+  // ******** Revision-tracking helpers ********
+
+  /**
+   * Determine if there are any pending revisions.
+   *
+   * @return bool
+   */
+  public function hasPendingRevisions() {
+    $revisions = $this->getRevisions();
+    $currentRevision = $this->getCurrentRevision();
+
+    if (empty($revisions)) {
+      return FALSE;
+    }
+    if (empty($currentRevision)) {
+      return TRUE;
+    }
+
+    return ($currentRevision < max($revisions));
+  }
+
+  /**
+   * Add any pending revisions to the queue.
+   *
+   * @param CRM_Queue_Queue $queue
+   */
+  public function enqueuePendingRevisions(CRM_Queue_Queue $queue) {
+    $this->queue = $queue;
+
+    $currentRevision = $this->getCurrentRevision();
+    foreach ($this->getRevisions() as $revision) {
+      if ($revision > $currentRevision) {
+        $title = E::ts('Upgrade %1 to revision %2', [
+          1 => $this->extensionName,
+          2 => $revision,
+        ]);
+
+        // note: don't use addTask() because it sets weight=-1
+
+        $task = new CRM_Queue_Task(
+          [get_class($this), '_queueAdapter'],
+          ['upgrade_' . $revision],
+          $title
+        );
+        $this->queue->createItem($task);
+
+        $task = new CRM_Queue_Task(
+          [get_class($this), '_queueAdapter'],
+          ['setCurrentRevision', $revision],
+          $title
+        );
+        $this->queue->createItem($task);
+      }
+    }
+  }
+
+  /**
+   * Get a list of revisions.
+   *
+   * @return array
+   *   revisionNumbers sorted numerically
+   */
+  public function getRevisions() {
+    if (!is_array($this->revisions)) {
+      $this->revisions = [];
+
+      $clazz = new ReflectionClass(get_class($this));
+      $methods = $clazz->getMethods();
+      foreach ($methods as $method) {
+        if (preg_match('/^upgrade_(.*)/', $method->name, $matches)) {
+          $this->revisions[] = $matches[1];
+        }
+      }
+      sort($this->revisions, SORT_NUMERIC);
+    }
+
+    return $this->revisions;
+  }
+
+  public function getCurrentRevision() {
+    $revision = CRM_Core_BAO_Extension::getSchemaVersion($this->extensionName);
+    if (!$revision) {
+      $revision = $this->getCurrentRevisionDeprecated();
+    }
+    return $revision;
+  }
+
+  private function getCurrentRevisionDeprecated() {
+    $key = $this->extensionName . ':version';
+    if ($revision = \Civi::settings()->get($key)) {
+      $this->revisionStorageIsDeprecated = TRUE;
+    }
+    return $revision;
+  }
+
+  public function setCurrentRevision($revision) {
+    CRM_Core_BAO_Extension::setSchemaVersion($this->extensionName, $revision);
+    // clean up legacy schema version store (CRM-19252)
+    $this->deleteDeprecatedRevision();
+    return TRUE;
+  }
+
+  private function deleteDeprecatedRevision() {
+    if ($this->revisionStorageIsDeprecated) {
+      $setting = new CRM_Core_BAO_Setting();
+      $setting->name = $this->extensionName . ':version';
+      $setting->delete();
+      CRM_Core_Error::debug_log_message("Migrated extension schema revision ID for {$this->extensionName} from civicrm_setting (deprecated) to civicrm_extension.\n");
+    }
+  }
+
+  // ******** Hook delegates ********
+
+  /**
+   * @see https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_install
+   */
+  public function onInstall() {
+    $files = glob($this->extensionDir . '/sql/*_install.sql');
+    if (is_array($files)) {
+      foreach ($files as $file) {
+        CRM_Utils_File::sourceSQLFile(CIVICRM_DSN, $file);
+      }
+    }
+    $files = glob($this->extensionDir . '/sql/*_install.mysql.tpl');
+    if (is_array($files)) {
+      foreach ($files as $file) {
+        $this->executeSqlTemplate($file);
+      }
+    }
+    $files = glob($this->extensionDir . '/xml/*_install.xml');
+    if (is_array($files)) {
+      foreach ($files as $file) {
+        $this->executeCustomDataFileByAbsPath($file);
+      }
+    }
+    if (is_callable([$this, 'install'])) {
+      $this->install();
+    }
+  }
+
+  /**
+   * @see https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_postInstall
+   */
+  public function onPostInstall() {
+    $revisions = $this->getRevisions();
+    if (!empty($revisions)) {
+      $this->setCurrentRevision(max($revisions));
+    }
+    if (is_callable([$this, 'postInstall'])) {
+      $this->postInstall();
+    }
+  }
+
+  /**
+   * @see https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_uninstall
+   */
+  public function onUninstall() {
+    $files = glob($this->extensionDir . '/sql/*_uninstall.mysql.tpl');
+    if (is_array($files)) {
+      foreach ($files as $file) {
+        $this->executeSqlTemplate($file);
+      }
+    }
+    if (is_callable([$this, 'uninstall'])) {
+      $this->uninstall();
+    }
+    $files = glob($this->extensionDir . '/sql/*_uninstall.sql');
+    if (is_array($files)) {
+      foreach ($files as $file) {
+        CRM_Utils_File::sourceSQLFile(CIVICRM_DSN, $file);
+      }
+    }
+  }
+
+  /**
+   * @see https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_enable
+   */
+  public function onEnable() {
+    // stub for possible future use
+    if (is_callable([$this, 'enable'])) {
+      $this->enable();
+    }
+  }
+
+  /**
+   * @see https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_disable
+   */
+  public function onDisable() {
+    // stub for possible future use
+    if (is_callable([$this, 'disable'])) {
+      $this->disable();
+    }
+  }
+
+  public function onUpgrade($op, CRM_Queue_Queue $queue = NULL) {
+    switch ($op) {
+      case 'check':
+        return [$this->hasPendingRevisions()];
+
+      case 'enqueue':
+        return $this->enqueuePendingRevisions($queue);
+
+      default:
+    }
+  }
+
+}
diff --git a/info.xml b/info.xml
index 3defb88..fbec4c4 100644
--- a/info.xml
+++ b/info.xml
@@ -14,8 +14,8 @@
     <url desc="Support">https://agileware.com.au/contact</url>
     <url desc="Licensing">http://www.gnu.org/licenses/agpl-3.0.html</url>
   </urls>
-  <releaseDate>2022-05-03</releaseDate>
-  <version>1.4</version>
+  <releaseDate>2022-05-12</releaseDate>
+  <version>1.4.1</version>
   <develStage>stable</develStage>
   <compatibility>
     <ver>5.0</ver>