diff --git a/composer.json b/composer.json
index 5b5520a..60ffc4f 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
   "require-dev": {
     "infinityloop-dev/graphpinator-upload": "^1.0",
     "infinityloop-dev/graphpinator-persisted-queries": "^1.0",
-    "phpunit/phpunit": "^9.3",
+    "phpunit/phpunit": "^9.3 || ^10.0",
     "infection/infection": "^0.27",
     "infinityloop-dev/coding-standard": "^0.2",
     "phpstan/phpstan": "^1.0"