diff --git a/composer.json b/composer.json
index 089a16a..08ae1af 100644
--- a/composer.json
+++ b/composer.json
@@ -28,8 +28,8 @@
         ]
     },
     "require": {
-        "php": "^7.0|^8.0",
-        "spatie/flysystem-dropbox": "^1.2"
+        "php": "^7.0|^8.0|^9.0",
+        "spatie/flysystem-dropbox": "^1.2|^2.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5",