diff --git a/composer.json b/composer.json
index b6c905bd8..4c71fce37 100644
--- a/composer.json
+++ b/composer.json
@@ -92,7 +92,8 @@
         "filp/whoops": "~2.0",
         "fzaninotto/faker": "~1.4",
         "symfony/css-selector": "3.1.*",
-        "symfony/dom-crawler": "3.1.*"
+        "symfony/dom-crawler": "3.1.*",
+        "anomaly/installer-module": "~2.4.0"
     },
     "repositories": [
         {