diff --git a/composer.json b/composer.json
index c86a608..010cf85 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
         "openspout/openspout": "^4",
         "phpoffice/phpspreadsheet": "^1.26",
         "phpstan/phpstan": "^1",
-        "phpunit/phpunit": "^10|^11",
+        "phpunit/phpunit": "^10",
         "shuchkin/simplexlsx": "^1",
         "shuchkin/simplexlsxgen": "^1.3",
         "squizlabs/php_codesniffer": "^3.6"