diff --git a/composer.json b/composer.json
index c13a65d..b833a2b 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
     },
     "require-dev": {
         "clue/block-react": "^1.4",
-        "infection/infection": "^0.20",
+        "infection/infection": "^0.20 || ^0.21",
         "phpro/grumphp": "^1.0.0",
         "phpunit/phpunit": "^8.0 || ^9.0",
         "squizlabs/php_codesniffer": "^3.4",