diff --git a/composer.json b/composer.json
index c7494ca..af046d2 100755
--- a/composer.json
+++ b/composer.json
@@ -87,6 +87,7 @@
   },
   "config": {
     "optimize-autoloader": true,
+    "classmap-authoritative": true,
     "preferred-install": "dist",
     "sort-packages": true,
     "allow-plugins": {