diff --git a/box.json.dist b/box.json.dist
index 1e3d29e86..3a1cbadc7 100644
--- a/box.json.dist
+++ b/box.json.dist
@@ -7,6 +7,7 @@
     "map": [
         {"build/phar-versions.php" : "phar-versions.php"}
     ],
+    "exclude-composer-files": false,
     "files-bin": ["config.xsd"],
     "directories-bin" : [
         "assets",