diff --git a/composer.json b/composer.json
index 1a3649f1c..bde99ef79 100644
--- a/composer.json
+++ b/composer.json
@@ -5,6 +5,7 @@
         "ext-pdo": "*",
         "rubix/ml": "2.x",
         "amphp\/parallel": "1.4.x",
+        "wamania/php-stemmer": "4.0 as 3.0",
         "bamarni/composer-bin-plugin": "^1.8"
     },
     "autoload": {