diff --git a/composer.json b/composer.json
index 308b011009fd..a5f2171439c2 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "composer/metadata-minifier": "^1.0",
         "composer/semver": "^3.0",
         "composer/spdx-licenses": "^1.2",
-        "composer/xdebug-handler": "^2.0",
+        "composer/xdebug-handler": "^2.0 || ^3.0",
         "justinrainbow/json-schema": "^5.2.11",
         "psr/log": "^1.0 || ^2.0",
         "seld/jsonlint": "^1.4",
diff --git a/composer.lock b/composer.lock
index 6b44b0234a57..e7e7f7d76688 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "659a81a68363780c2e9fb35a1116808c",
+    "content-hash": "7a6428e0d2adbbc09048fb85d7d6ca3e",
     "packages": [
         {
             "name": "composer/ca-bundle",
@@ -1067,12 +1067,12 @@
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "Symfony\\Polyfill\\Mbstring\\": ""
-                },
                 "files": [
                     "bootstrap.php"
-                ]
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Mbstring\\": ""
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [