diff --git a/.github/update_packages.php b/.github/update_packages.php
new file mode 100644
index 00000000..f23eb7c2
--- /dev/null
+++ b/.github/update_packages.php
@@ -0,0 +1,157 @@
+<?php
+
+/**
+ * @file
+ * Script to update package versions in a YAML configuration file.
+ */
+
+require 'vendor/autoload.php';
+
+use GuzzleHttp\Client;
+use GuzzleHttp\Exception\RequestException;
+use Symfony\Component\Yaml\Yaml;
+
+/**
+ * Fetches the latest version of a package from Packagist or Drupal.org.
+ *
+ * @param string $packageName
+ *   The name of the package.
+ *
+ * @return string|null
+ *   The latest version string, or NULL if not found.
+ */
+function get_latest_version($packageName) {
+  $client = new Client();
+  $url = "https://repo.packagist.org/p/{$packageName}.json";
+
+  try {
+    $response = $client->get($url);
+    $data = json_decode($response->getBody(), TRUE);
+
+    $versions = array_keys($data['packages'][$packageName]);
+    usort($versions, 'version_compare');
+
+    $latestVersion = end($versions);
+
+    // Extract major.minor version (e.g., "13.3.3" becomes "13.x")
+    $versionParts = explode('.', $latestVersion);
+    if (count($versionParts) > 1) {
+      return $versionParts[0] . '.x';
+    }
+
+    return NULL;
+  }
+  catch (RequestException $e) {
+    return get_latest_version_from_drupal_org($packageName);
+  }
+}
+
+/**
+ * Fetches the latest version of a package from Drupal.org.
+ *
+ * @param string $packageName
+ *   The name of the package.
+ *
+ * @return string|null
+ *   The latest version string, or NULL if not found.
+ */
+function get_latest_version_from_drupal_org($packageName) {
+  $client = new Client();
+  // Remove "drupal/" prefix.
+  $packageName = str_replace('drupal/', '', $packageName);
+  $drupalApiUrl = "https://www.drupal.org/api-d7/node.json?field_project_machine_name={$packageName}";
+
+  try {
+    $response = $client->get($drupalApiUrl);
+    $data = json_decode($response->getBody(), TRUE);
+
+    if (!empty($data['list']) && isset($data['list'][0]['field_release_version'])) {
+      return $data['list'][0]['field_release_version'];
+    }
+
+    echo "No new releases found for {$packageName} on Drupal.org.\n";
+    return NULL;
+  }
+  catch (RequestException $e) {
+    echo "Error fetching data for {$packageName} on Drupal.org: " . $e->getMessage() . PHP_EOL;
+    return NULL;
+  }
+}
+
+/**
+ * Determines if latest version is a major update compared to current version.
+ *
+ * @param string|null $currentVersion
+ *   The current version.
+ * @param string|null $latestVersion
+ *   The latest version.
+ *
+ * @return bool
+ *   TRUE if it is a major update, FALSE otherwise.
+ */
+function is_major_update($currentVersion, $latestVersion) {
+  if (!$currentVersion || !$latestVersion) {
+    return FALSE;
+  }
+
+  $currentMajor = explode('.', $currentVersion)[0];
+  $latestMajor = explode('.', $latestVersion)[0];
+
+  return $currentMajor !== $latestMajor;
+}
+
+/**
+ * Updates package versions in a YAML file.
+ *
+ * @param string $filePath
+ *   The path to the YAML file.
+ */
+function update_packages_yaml($filePath) {
+  $fileLines = file($filePath);
+  $comments = [];
+
+  // Extract comments.
+  foreach ($fileLines as $line) {
+    if (preg_match('/^\s*#/', $line)) {
+      $comments[] = $line;
+    }
+  }
+
+  $packages = Yaml::parseFile($filePath);
+
+  foreach ($packages as $package => &$details) {
+    if (isset($details['core_matrix'])) {
+      // Update only '*' entry.
+      if (isset($details['core_matrix']['*'])) {
+        $currentVersion = $details['core_matrix']['*']['version'] ?? NULL;
+        $latestVersion = get_latest_version($package);
+
+        if ($latestVersion && is_major_update($currentVersion, $latestVersion)) {
+          $details['core_matrix']['*']['version'] = $latestVersion;
+          echo "Updated $package for '*' to version $latestVersion.\n";
+        }
+      }
+      else {
+        echo "Skipping $package as '*' is not defined in core_matrix.\n";
+      }
+    }
+    else {
+      // Update non-core_matrix packages.
+      $currentVersion = $details['version'] ?? NULL;
+      $latestVersion = get_latest_version($package);
+
+      if ($latestVersion && is_major_update($currentVersion, $latestVersion)) {
+        $details['version'] = $latestVersion;
+        echo "Updated $package to version $latestVersion.\n";
+      }
+    }
+  }
+
+  // Write back the YAML, appending the comments.
+  file_put_contents($filePath, implode('', $comments) . "\n" . Yaml::dump($packages, 2));
+}
+
+// File path to the YAML configuration.
+$filePath = '../config/packages.yml';
+
+update_packages_yaml($filePath);