diff --git a/ludwig.json b/ludwig.json
new file mode 100644
index 0000000..2439b23
--- /dev/null
+++ b/ludwig.json
@@ -0,0 +1,20 @@
+{
+    "require": {
+        "voku/portable-ascii": {
+        "version": "v1.5.6",
+        "url": "https://github.com/voku/portable-ascii/archive/1.5.6.zip"
+        },
+        "voku/portable-utf8": {
+        "version": "v5.4.51",
+        "url": "https://github.com/voku/portable-utf8/archive/5.4.51.zip"
+        },
+        "symfony/polyfill-intl-grapheme": {
+        "version": "v1.22.1",
+        "url": "https://github.com/symfony/polyfill-intl-grapheme/archive/v1.22.1.zip"
+        },
+        "wamania/php-stemmer": {
+        "version": "v2.2.0",
+        "url": "https://github.com/wamania/php-stemmer/archive/v2.2.0.zip"
+        }
+    }
+}
diff --git a/snowball_stemmer.module b/snowball_stemmer.module
index 5cecad7..ce2ef14 100644
--- a/snowball_stemmer.module
+++ b/snowball_stemmer.module
@@ -7,6 +7,14 @@
 
 use Drupal\Core\Routing\RouteMatchInterface;
 
+// Ludwig integration for 'files' and 'classmap' autoload resources.
+if (\Drupal::hasService('ludwig.require_once')) {
+  $ludwig_require_once = \Drupal::service('ludwig.require_once');
+  $ludwig_require_once->requireOnce('voku/portable-utf8', 'bootstrap.php', dirname(__FILE__));
+  $ludwig_require_once->requireOnce('symfony/polyfill-intl-grapheme', 'bootstrap.php', dirname(__FILE__));
+}
+
+
 /**
  * Implements hook_help().
  */