diff --git a/composer.json b/composer.json
index b21c95388..767d9c826 100644
--- a/composer.json
+++ b/composer.json
@@ -72,6 +72,7 @@
         "grandt/phpepub": "~4.0",
         "wallabag/php-mobi": "~1.0.0",
         "kphoen/rulerz-bundle": "~0.10",
+        "kphoen/rulerz": "0.19.1",
         "guzzlehttp/guzzle": "^5.3.1",
         "doctrine/doctrine-migrations-bundle": "^1.0",
         "paragonie/random_compat": "~1.0",