diff --git a/composer.json b/composer.json
index 38d5d6b..11df194 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,8 @@
     "saschaegerer/phpstan-typo3": "^1.8",
     "typo3/coding-standards": "^0.5.5",
     "typo3/tailor": "^1.1",
-    "typo3/testing-framework": "^7.0 || ^8.0"
+    "typo3/testing-framework": "^7.0 || ^8.0",
+    "phpunit/phpunit": "9.6 || ^10.5"
   },
   "config": {
     "vendor-dir": ".Build/vendor",