diff --git a/.changes/unreleased/Fixed-20241003-072041.yaml b/.changes/unreleased/Fixed-20241003-072041.yaml
new file mode 100644
index 0000000..24baf85
--- /dev/null
+++ b/.changes/unreleased/Fixed-20241003-072041.yaml
@@ -0,0 +1,3 @@
+kind: Fixed
+body: '[GH-13](https://github.com/llaville/box-manifest/issues/13) : v4.0.0-rc.1 does not support correctly the BOX dump-autoload setting'
+time: 2024-10-03T07:20:41.299069779Z
diff --git a/box.json b/box.json
index dc3c425..bccbd32 100644
--- a/box.json
+++ b/box.json
@@ -26,5 +26,6 @@
     "files-bin": [
         "vendor/humbug/php-scoper/vendor-hotfix/.gitkeep"
     ],
-    "stub": "stub.php"
+    "stub": "stub.php",
+    "dump-autoload": true
 }
diff --git a/box.json.dist b/box.json.dist
index aeabfe0..863ae14 100644
--- a/box.json.dist
+++ b/box.json.dist
@@ -31,7 +31,7 @@
         ".box.manifests.bin"
     ],
     "stub": "stub.php",
-    "dump-autoload": false,
+    "dump-autoload": true,
     "map": [
         {
             "console-table.txt": ".box.manifests/console-table.txt"
diff --git a/src/Pipeline/ConfigureStage.php b/src/Pipeline/ConfigureStage.php
index 606ce55..69c9c36 100644
--- a/src/Pipeline/ConfigureStage.php
+++ b/src/Pipeline/ConfigureStage.php
@@ -48,7 +48,7 @@ public function __invoke(array $payload): array
 
         // @link Due to issue https://github.com/box-project/box/issues/580
         // @see https://github.com/box-project/box/issues/580#issuecomment-2326577684
-        $configs['dump-autoload'] = false;
+        $configs['dump-autoload'] ??= false;  // should be applied only if not previously defined
 
         if (!isset($configs['files-bin'])) {
             $configs['files-bin'] = [];