diff --git a/composer.json b/composer.json
index 4233c0ef2..c9c2599e6 100644
--- a/composer.json
+++ b/composer.json
@@ -151,6 +151,9 @@
     "config": {
         "bin-dir": "bin",
         "preferred-install": "dist",
-        "optimize-autoloader": true
+        "optimize-autoloader": true,
+        "allow-plugins": {
+            "visiosoft/composer-merge-plugin": true
+        }
     }
 }