diff --git a/composer.json b/composer.json
index 4745d01..c7fde69 100755
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
     "php" : ">=5.6.0"
   },
   "require-dev" : {
-    "xp-framework/unittest": "^8.0 | ^7.0 | ^6.5"
+    "xp-framework/unittest": "^9.0 | ^8.0 | ^7.0 | ^6.5"
   },
   "autoload" : {
     "files" : ["src/main/php/autoload.php"]